2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Coprygith 2003-2010 Novell, Inc.
12 #define MONO_LLVM_IN_MINI 1
22 #ifdef HAVE_SYS_TIME_H
26 #include <mono/utils/memcheck.h>
28 #include <mono/metadata/assembly.h>
29 #include <mono/metadata/loader.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/class.h>
32 #include <mono/metadata/object.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include <mono/io-layer/io-layer.h>
39 #include "mono/metadata/profiler.h"
40 #include <mono/metadata/profiler-private.h>
41 #include <mono/metadata/mono-config.h>
42 #include <mono/metadata/environment.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/threads-types.h>
46 #include <mono/metadata/verify.h>
47 #include <mono/metadata/verify-internals.h>
48 #include <mono/metadata/mempool-internals.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/runtime.h>
51 #include <mono/utils/mono-math.h>
52 #include <mono/utils/mono-compiler.h>
53 #include <mono/utils/mono-counters.h>
54 #include <mono/utils/mono-logger-internal.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/dtrace.h>
59 #include "mini-llvm.h"
66 #include "jit-icalls.h"
68 #include "debug-mini.h"
70 #include "debugger-agent.h"
72 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
74 /* helper methods signature */
75 /* FIXME: Make these static again */
76 MonoMethodSignature *helper_sig_class_init_trampoline = NULL;
77 MonoMethodSignature *helper_sig_domain_get = NULL;
78 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
79 MonoMethodSignature *helper_sig_generic_class_init_trampoline_llvm = NULL;
80 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
81 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = NULL;
82 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline_llvm = NULL;
84 static guint32 default_opt = 0;
85 static gboolean default_opt_set = FALSE;
87 guint32 mono_jit_tls_id = -1;
90 static __thread gpointer mono_jit_tls MONO_TLS_FAST;
93 MonoTraceSpec *mono_jit_trace_calls = NULL;
94 gboolean mono_break_on_exc = FALSE;
95 gboolean mono_compile_aot = FALSE;
96 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
97 gboolean mono_aot_only = FALSE;
98 /* Whenever to use IMT */
99 #ifdef MONO_ARCH_HAVE_IMT
100 gboolean mono_use_imt = TRUE;
102 gboolean mono_use_imt = FALSE;
104 MonoMethodDesc *mono_inject_async_exc_method = NULL;
105 int mono_inject_async_exc_pos;
106 MonoMethodDesc *mono_break_at_bb_method = NULL;
107 int mono_break_at_bb_bb_num;
108 gboolean mono_do_x86_stack_align = TRUE;
109 const char *mono_build_date;
110 gboolean mono_do_signal_chaining;
111 static gboolean mono_using_xdebug;
112 static int mini_verbose = 0;
116 static int methods_with_llvm, methods_without_llvm;
120 * This flag controls whenever the runtime uses LLVM compiled code.
121 * Enabling this causes different/slower code paths to be used, which is why it
123 * Changes when this flag is set include:
124 * - a per method vtable trampoline is used to handle virtual calls, instead of only
126 * - fast generic virtual calls are not supported.
128 #if defined(ENABLE_LLVM) && !defined(MONO_LLVM_LOADED)
129 gboolean mono_use_llvm = TRUE;
131 gboolean mono_use_llvm = FALSE;
134 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
135 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
136 static CRITICAL_SECTION jit_mutex;
138 static MonoCodeManager *global_codeman = NULL;
140 static GHashTable *jit_icall_name_hash = NULL;
142 static MonoDebugOptions debug_options;
144 #ifdef VALGRIND_JIT_REGISTER_MAP
145 static int valgrind_register = 0;
149 * Table written to by the debugger with a 1-based index into the
150 * mono_breakpoint_info table, which contains changes made to
151 * the JIT instructions by the debugger.
154 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
156 /* Whenever to check for pending exceptions in managed-to-native wrappers */
157 gboolean check_for_pending_exc = TRUE;
159 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
160 gboolean disable_vtypes_in_regs = FALSE;
162 gboolean mono_dont_free_global_codeman;
165 mono_running_on_valgrind (void)
167 if (RUNNING_ON_VALGRIND){
168 #ifdef VALGRIND_JIT_REGISTER_MAP
169 valgrind_register = TRUE;
177 MonoExceptionClause *clause;
178 MonoBasicBlock *basic_block;
188 find_tramp (gpointer key, gpointer value, gpointer user_data)
190 FindTrampUserData *ud = (FindTrampUserData*)user_data;
193 ud->method = (MonoMethod*)key;
197 G_GNUC_UNUSED static char*
198 get_method_from_ip (void *ip)
203 MonoDomain *domain = mono_domain_get ();
204 MonoDebugSourceLocation *location;
205 FindTrampUserData user_data;
207 ji = mono_jit_info_table_find (domain, ip);
210 user_data.method = NULL;
211 mono_domain_lock (domain);
212 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
213 mono_domain_unlock (domain);
214 if (user_data.method) {
215 char *mname = mono_method_full_name (user_data.method, TRUE);
216 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
223 method = mono_method_full_name (ji->method, TRUE);
224 /* FIXME: unused ? */
225 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
227 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
229 mono_debug_free_source_location (location);
237 * @ip: an instruction pointer address
239 * This method is used from a debugger to get the name of the
240 * method at address @ip. This routine is typically invoked from
241 * a debugger like this:
243 * (gdb) print mono_pmip ($pc)
245 * Returns: the name of the method at address @ip.
250 return get_method_from_ip (ip);
254 * mono_print_method_from_ip
255 * @ip: an instruction pointer address
257 * This method is used from a debugger to get the name of the
258 * method at address @ip.
260 * This prints the name of the method at address @ip in the standard
261 * output. Unlike mono_pmip which returns a string, this routine
262 * prints the value on the standard output.
265 mono_print_method_from_ip (void *ip)
269 MonoDebugSourceLocation *source;
270 MonoDomain *domain = mono_domain_get ();
271 MonoDomain *target_domain = mono_domain_get ();
272 FindTrampUserData user_data;
274 ji = mini_jit_info_table_find (domain, ip, &target_domain);
277 user_data.method = NULL;
278 mono_domain_lock (domain);
279 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
280 mono_domain_unlock (domain);
281 if (user_data.method) {
282 char *mname = mono_method_full_name (user_data.method, TRUE);
283 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
287 g_print ("No method at %p\n", ip);
290 method = mono_method_full_name (ji->method, TRUE);
291 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
293 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
296 g_print ("%s:%d\n", source->source_file, source->row);
298 mono_debug_free_source_location (source);
303 * mono_method_same_domain:
305 * Determine whenever two compiled methods are in the same domain, thus
306 * the address of the callee can be embedded in the caller.
308 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
310 if (!caller || !callee)
314 * If the call was made from domain-neutral to domain-specific
315 * code, we can't patch the call site.
317 if (caller->domain_neutral && !callee->domain_neutral)
320 if ((caller->method->klass == mono_defaults.appdomain_class) &&
321 (strstr (caller->method->name, "InvokeInDomain"))) {
322 /* The InvokeInDomain methods change the current appdomain */
330 * mono_global_codeman_reserve:
332 * Allocate code memory from the global code manager.
334 void *mono_global_codeman_reserve (int size)
339 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
341 if (!global_codeman) {
342 /* This can happen during startup */
343 global_codeman = mono_code_manager_new ();
344 return mono_code_manager_reserve (global_codeman, size);
348 ptr = mono_code_manager_reserve (global_codeman, size);
355 * mono_create_unwind_op:
357 * Create an unwind op with the given parameters.
360 mono_create_unwind_op (int when, int tag, int reg, int val)
362 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
373 * mono_emit_unwind_op:
375 * Add an unwind op with the given parameters for the list of unwind ops stored in
379 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
381 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
388 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
392 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
394 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
397 res->has_context = context != NULL;
399 memcpy (&res->context, context, sizeof (MonoGenericContext));
405 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
407 return mono_jump_info_token_new2 (mp, image, token, NULL);
411 * mono_tramp_info_create:
413 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
414 * of NAME, JI, and UNWIND_OPS.
417 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
419 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
421 info->name = (char*)name;
423 info->code_size = code_size;
425 info->unwind_ops = unwind_ops;
431 mono_tramp_info_free (MonoTrampInfo *info)
435 // FIXME: ji + unwind_ops
438 #define MONO_INIT_VARINFO(vi,id) do { \
439 (vi)->range.first_use.pos.bid = 0xffff; \
445 * mono_unlink_bblock:
447 * Unlink two basic blocks.
450 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
456 for (i = 0; i < from->out_count; ++i) {
457 if (to == from->out_bb [i]) {
464 for (i = 0; i < from->out_count; ++i) {
465 if (from->out_bb [i] != to)
466 from->out_bb [pos ++] = from->out_bb [i];
468 g_assert (pos == from->out_count - 1);
473 for (i = 0; i < to->in_count; ++i) {
474 if (from == to->in_bb [i]) {
481 for (i = 0; i < to->in_count; ++i) {
482 if (to->in_bb [i] != from)
483 to->in_bb [pos ++] = to->in_bb [i];
485 g_assert (pos == to->in_count - 1);
491 * mono_bblocks_linked:
493 * Return whenever BB1 and BB2 are linked in the CFG.
496 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
500 for (i = 0; i < bb1->out_count; ++i) {
501 if (bb1->out_bb [i] == bb2)
509 mono_find_block_region_notry (MonoCompile *cfg, int offset)
511 MonoMethodHeader *header = cfg->header;
512 MonoExceptionClause *clause;
515 for (i = 0; i < header->num_clauses; ++i) {
516 clause = &header->clauses [i];
517 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
518 (offset < (clause->handler_offset)))
519 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
521 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
522 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
523 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
524 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
525 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
527 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
535 * mono_get_block_region_notry:
537 * Return the region corresponding to REGION, ignoring try clauses nested inside
541 mono_get_block_region_notry (MonoCompile *cfg, int region)
543 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
544 MonoMethodHeader *header = cfg->header;
547 * This can happen if a try clause is nested inside a finally clause.
549 int clause_index = (region >> 8) - 1;
550 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
552 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
559 mono_find_spvar_for_region (MonoCompile *cfg, int region)
561 region = mono_get_block_region_notry (cfg, region);
563 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
567 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
571 array [*dfn] = start;
572 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
573 for (i = 0; i < start->out_count; ++i) {
574 if (start->out_bb [i]->dfn)
577 start->out_bb [i]->dfn = *dfn;
578 start->out_bb [i]->df_parent = start;
579 array [*dfn] = start->out_bb [i];
580 df_visit (start->out_bb [i], dfn, array);
585 mono_reverse_branch_op (guint32 opcode)
587 static const int reverse_map [] = {
588 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
589 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
591 static const int reverse_fmap [] = {
592 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
593 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
595 static const int reverse_lmap [] = {
596 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
597 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
599 static const int reverse_imap [] = {
600 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
601 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
604 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
605 opcode = reverse_map [opcode - CEE_BEQ];
606 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
607 opcode = reverse_fmap [opcode - OP_FBEQ];
608 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
609 opcode = reverse_lmap [opcode - OP_LBEQ];
610 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
611 opcode = reverse_imap [opcode - OP_IBEQ];
613 g_assert_not_reached ();
619 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
622 return OP_STORE_MEMBASE_REG;
625 switch (type->type) {
628 case MONO_TYPE_BOOLEAN:
629 return OP_STOREI1_MEMBASE_REG;
633 return OP_STOREI2_MEMBASE_REG;
636 return OP_STOREI4_MEMBASE_REG;
640 case MONO_TYPE_FNPTR:
641 return OP_STORE_MEMBASE_REG;
642 case MONO_TYPE_CLASS:
643 case MONO_TYPE_STRING:
644 case MONO_TYPE_OBJECT:
645 case MONO_TYPE_SZARRAY:
646 case MONO_TYPE_ARRAY:
647 return OP_STORE_MEMBASE_REG;
650 return OP_STOREI8_MEMBASE_REG;
652 return OP_STORER4_MEMBASE_REG;
654 return OP_STORER8_MEMBASE_REG;
655 case MONO_TYPE_VALUETYPE:
656 if (type->data.klass->enumtype) {
657 type = mono_class_enum_basetype (type->data.klass);
660 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
661 return OP_STOREX_MEMBASE;
662 return OP_STOREV_MEMBASE;
663 case MONO_TYPE_TYPEDBYREF:
664 return OP_STOREV_MEMBASE;
665 case MONO_TYPE_GENERICINST:
666 type = &type->data.generic_class->container_class->byval_arg;
670 /* FIXME: all the arguments must be references for now,
671 * later look inside cfg and see if the arg num is
674 g_assert (cfg->generic_sharing_context);
675 return OP_STORE_MEMBASE_REG;
677 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
683 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
686 return OP_LOAD_MEMBASE;
688 type = mono_type_get_underlying_type (type);
690 switch (type->type) {
692 return OP_LOADI1_MEMBASE;
694 case MONO_TYPE_BOOLEAN:
695 return OP_LOADU1_MEMBASE;
697 return OP_LOADI2_MEMBASE;
700 return OP_LOADU2_MEMBASE;
702 return OP_LOADI4_MEMBASE;
704 return OP_LOADU4_MEMBASE;
708 case MONO_TYPE_FNPTR:
709 return OP_LOAD_MEMBASE;
710 case MONO_TYPE_CLASS:
711 case MONO_TYPE_STRING:
712 case MONO_TYPE_OBJECT:
713 case MONO_TYPE_SZARRAY:
714 case MONO_TYPE_ARRAY:
715 return OP_LOAD_MEMBASE;
718 return OP_LOADI8_MEMBASE;
720 return OP_LOADR4_MEMBASE;
722 return OP_LOADR8_MEMBASE;
723 case MONO_TYPE_VALUETYPE:
724 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
725 return OP_LOADX_MEMBASE;
726 case MONO_TYPE_TYPEDBYREF:
727 return OP_LOADV_MEMBASE;
728 case MONO_TYPE_GENERICINST:
729 if (mono_type_generic_inst_is_valuetype (type))
730 return OP_LOADV_MEMBASE;
732 return OP_LOAD_MEMBASE;
736 /* FIXME: all the arguments must be references for now,
737 * later look inside cfg and see if the arg num is
740 g_assert (cfg->generic_sharing_context);
741 return OP_LOAD_MEMBASE;
743 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
749 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
751 if (cfg->generic_sharing_context && !type->byref) {
752 /* FIXME: all the arguments must be references for now,
753 * later look inside cfg and see if the arg num is
756 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
757 return CEE_LDIND_REF;
759 return mono_type_to_ldind (type);
763 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
765 if (cfg->generic_sharing_context && !type->byref) {
766 /* FIXME: all the arguments must be references for now,
767 * later look inside cfg and see if the arg num is
770 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
771 return CEE_STIND_REF;
773 return mono_type_to_stind (type);
777 mono_op_imm_to_op (int opcode)
781 #if SIZEOF_REGISTER == 4
797 #if SIZEOF_REGISTER == 4
803 #if SIZEOF_REGISTER == 4
809 #if SIZEOF_REGISTER == 4
847 #if SIZEOF_REGISTER == 4
853 #if SIZEOF_REGISTER == 4
872 case OP_ICOMPARE_IMM:
874 case OP_LOCALLOC_IMM:
877 printf ("%s\n", mono_inst_name (opcode));
878 g_assert_not_reached ();
884 * mono_decompose_op_imm:
886 * Replace the OP_.._IMM INS with its non IMM variant.
889 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
893 MONO_INST_NEW (cfg, temp, OP_ICONST);
894 temp->inst_c0 = ins->inst_imm;
895 temp->dreg = mono_alloc_ireg (cfg);
896 mono_bblock_insert_before_ins (bb, ins, temp);
897 ins->opcode = mono_op_imm_to_op (ins->opcode);
898 if (ins->opcode == OP_LOCALLOC)
899 ins->sreg1 = temp->dreg;
901 ins->sreg2 = temp->dreg;
903 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
907 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
909 if (vreg >= cfg->vreg_to_inst_len) {
910 MonoInst **tmp = cfg->vreg_to_inst;
911 int size = cfg->vreg_to_inst_len;
913 while (vreg >= cfg->vreg_to_inst_len)
914 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
915 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
917 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
919 cfg->vreg_to_inst [vreg] = inst;
922 #define mono_type_is_long(type) (!(type)->byref && ((mono_type_get_underlying_type (type)->type == MONO_TYPE_I8) || (mono_type_get_underlying_type (type)->type == MONO_TYPE_U8)))
923 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
928 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
936 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
939 int num = cfg->num_varinfo;
942 if ((num + 1) >= cfg->varinfo_count) {
943 int orig_count = cfg->varinfo_count;
944 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
945 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
946 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
947 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
950 mono_jit_stats.allocate_var++;
952 MONO_INST_NEW (cfg, inst, opcode);
954 inst->inst_vtype = type;
955 inst->klass = mono_class_from_mono_type (type);
956 type_to_eval_stack_type (cfg, type, inst);
957 /* if set to 1 the variable is native */
958 inst->backend.is_pinvoke = 0;
961 cfg->varinfo [num] = inst;
963 MONO_INIT_VARINFO (&cfg->vars [num], num);
964 MONO_VARINFO (cfg, num)->vreg = vreg;
967 set_vreg_to_inst (cfg, vreg, inst);
969 #if SIZEOF_REGISTER == 4
970 #ifdef MONO_ARCH_SOFT_FLOAT
971 regpair = mono_type_is_long (type) || mono_type_is_float (type);
973 regpair = mono_type_is_long (type);
983 * These two cannot be allocated using create_var_for_vreg since that would
984 * put it into the cfg->varinfo array, confusing many parts of the JIT.
988 * Set flags to VOLATILE so SSA skips it.
991 if (cfg->verbose_level >= 4) {
992 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
995 #ifdef MONO_ARCH_SOFT_FLOAT
996 if (cfg->opt & MONO_OPT_SSA) {
997 if (mono_type_is_float (type))
998 inst->flags = MONO_INST_VOLATILE;
1002 /* Allocate a dummy MonoInst for the first vreg */
1003 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1004 tree->dreg = inst->dreg + 1;
1005 if (cfg->opt & MONO_OPT_SSA)
1006 tree->flags = MONO_INST_VOLATILE;
1007 tree->inst_c0 = num;
1008 tree->type = STACK_I4;
1009 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1010 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1012 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1014 /* Allocate a dummy MonoInst for the second vreg */
1015 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1016 tree->dreg = inst->dreg + 2;
1017 if (cfg->opt & MONO_OPT_SSA)
1018 tree->flags = MONO_INST_VOLATILE;
1019 tree->inst_c0 = num;
1020 tree->type = STACK_I4;
1021 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1022 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1024 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1028 if (cfg->verbose_level > 2)
1029 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1034 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1038 if (mono_type_is_long (type))
1039 dreg = mono_alloc_dreg (cfg, STACK_I8);
1040 #ifdef MONO_ARCH_SOFT_FLOAT
1041 else if (mono_type_is_float (type))
1042 dreg = mono_alloc_dreg (cfg, STACK_R8);
1045 /* All the others are unified */
1046 dreg = mono_alloc_preg (cfg);
1048 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1052 * Transform a MonoInst into a load from the variable of index var_index.
1055 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1056 memset (dest, 0, sizeof (MonoInst));
1057 dest->inst_i0 = cfg->varinfo [var_index];
1058 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1059 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1060 dest->klass = dest->inst_i0->klass;
1066 type_from_stack_type (MonoInst *ins) {
1067 switch (ins->type) {
1068 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1069 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1070 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1071 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1074 * this if used to be commented without any specific reason, but
1075 * it breaks #80235 when commented
1078 return &ins->klass->this_arg;
1080 return &mono_defaults.object_class->this_arg;
1082 /* ins->klass may not be set for ldnull.
1083 * Also, if we have a boxed valuetype, we want an object lass,
1084 * not the valuetype class
1086 if (ins->klass && !ins->klass->valuetype)
1087 return &ins->klass->byval_arg;
1088 return &mono_defaults.object_class->byval_arg;
1089 case STACK_VTYPE: return &ins->klass->byval_arg;
1091 g_error ("stack type %d to montype not handled\n", ins->type);
1097 mono_type_from_stack_type (MonoInst *ins) {
1098 return type_from_stack_type (ins);
1102 * mono_add_ins_to_end:
1104 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1107 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1112 MONO_ADD_INS (bb, inst);
1116 switch (bb->last_ins->opcode) {
1130 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1133 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1134 /* Need to insert the ins before the compare */
1135 if (bb->code == bb->last_ins) {
1136 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1140 if (bb->code->next == bb->last_ins) {
1141 /* Only two instructions */
1142 opcode = bb->code->opcode;
1144 if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
1146 mono_bblock_insert_before_ins (bb, bb->code, inst);
1148 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1151 opcode = bb->last_ins->prev->opcode;
1153 if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
1155 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1157 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1162 MONO_ADD_INS (bb, inst);
1168 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1170 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1171 MonoJumpInfoBBTable *table;
1173 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1175 table->table_size = num_blocks;
1177 ji->ip.label = label;
1178 ji->type = MONO_PATCH_INFO_SWITCH;
1179 ji->data.table = table;
1180 ji->next = cfg->patch_info;
1181 cfg->patch_info = ji;
1184 static MonoMethodSignature *
1185 mono_get_array_new_va_signature (int arity)
1187 static GHashTable *sighash = NULL;
1188 MonoMethodSignature *res;
1193 sighash = g_hash_table_new (NULL, NULL);
1195 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1200 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1203 #ifdef MONO_ARCH_VARARG_ICALLS
1204 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1205 res->call_convention = MONO_CALL_VARARG;
1209 res->call_convention = MONO_CALL_C;
1212 res->params [0] = &mono_defaults.int_class->byval_arg;
1213 for (i = 0; i < arity; i++)
1214 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1216 res->ret = &mono_defaults.object_class->byval_arg;
1218 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1225 mono_get_array_new_va_icall (int rank)
1227 MonoMethodSignature *esig;
1228 char icall_name [256];
1230 MonoJitICallInfo *info;
1232 /* Need to register the icall so it gets an icall wrapper */
1233 sprintf (icall_name, "ves_array_new_va_%d", rank);
1236 info = mono_find_jit_icall_by_name (icall_name);
1238 esig = mono_get_array_new_va_signature (rank);
1239 name = g_strdup (icall_name);
1240 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1242 g_hash_table_insert (jit_icall_name_hash, name, name);
1250 mini_class_is_system_array (MonoClass *klass)
1252 if (klass->parent == mono_defaults.array_class)
1259 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1261 MonoAssembly *assembly = method->klass->image->assembly;
1262 if (method->wrapper_type != MONO_WRAPPER_NONE)
1264 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1266 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1268 return mono_assembly_has_skip_verification (assembly);
1272 * mini_method_verify:
1274 * Verify the method using the new verfier.
1276 * Returns true if the method is invalid.
1279 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1282 gboolean is_fulltrust;
1283 MonoLoaderError *error;
1285 if (method->verification_success)
1288 is_fulltrust = mono_verifier_is_method_full_trust (method);
1290 if (!mono_verifier_is_enabled_for_method (method))
1293 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1295 if ((error = mono_loader_get_last_error ())) {
1296 cfg->exception_type = error->exception_type;
1298 mono_free_verify_list (res);
1303 for (tmp = res; tmp; tmp = tmp->next) {
1304 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1305 if (info->info.status == MONO_VERIFY_ERROR) {
1306 char *method_name = mono_method_full_name (method, TRUE);
1307 cfg->exception_type = info->exception_type;
1308 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1309 mono_free_verify_list (res);
1310 g_free (method_name);
1313 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1314 char *method_name = mono_method_full_name (method, TRUE);
1315 cfg->exception_type = info->exception_type;
1316 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1317 mono_free_verify_list (res);
1318 g_free (method_name);
1322 mono_free_verify_list (res);
1324 method->verification_success = 1;
1328 /*Returns true is something went wrong*/
1330 mono_compile_is_broken (MonoCompile *cfg)
1332 MonoMethod *method = cfg->method;
1333 MonoMethod *method_definition = method;
1334 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1335 dont_verify |= method->klass->image->assembly->corlib_internal;
1337 while (method_definition->is_inflated) {
1338 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1339 method_definition = imethod->declaring;
1342 return !dont_verify && mini_method_verify (cfg, method_definition);
1346 create_helper_signature (void)
1348 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1349 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1350 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1351 helper_sig_generic_class_init_trampoline_llvm = mono_create_icall_signature ("void ptr");
1352 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1353 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1354 helper_sig_monitor_enter_exit_trampoline_llvm = mono_create_icall_signature ("void object");
1357 static gconstpointer
1358 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1361 MonoMethod *wrapper;
1362 gconstpointer trampoline;
1363 MonoDomain *domain = mono_get_root_domain ();
1365 if (callinfo->wrapper) {
1366 return callinfo->wrapper;
1369 if (callinfo->trampoline)
1370 return callinfo->trampoline;
1373 * We use the lock on the root domain instead of the JIT lock to protect
1374 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1376 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1377 mono_domain_lock (domain);
1379 if (callinfo->trampoline) {
1380 mono_domain_unlock (domain);
1381 mono_loader_unlock ();
1382 return callinfo->trampoline;
1385 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1386 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1390 trampoline = mono_compile_method (wrapper);
1392 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1393 mono_register_jit_icall_wrapper (callinfo, trampoline);
1395 callinfo->trampoline = trampoline;
1397 mono_domain_unlock (domain);
1398 mono_loader_unlock ();
1400 return callinfo->trampoline;
1404 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1406 return mono_icall_get_wrapper_full (callinfo, FALSE);
1410 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1412 if (!domain_jit_info (domain)->dynamic_code_hash)
1413 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1414 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1417 static MonoJitDynamicMethodInfo*
1418 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1420 MonoJitDynamicMethodInfo *res;
1422 if (domain_jit_info (domain)->dynamic_code_hash)
1423 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1431 GList *active, *inactive;
1436 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1438 MonoMethodVar *v1 = (MonoMethodVar*)a;
1439 MonoMethodVar *v2 = (MonoMethodVar*)b;
1443 else if (v1->interval->range && v2->interval->range)
1444 return v1->interval->range->from - v2->interval->range->from;
1445 else if (v1->interval->range)
1454 #define LSCAN_DEBUG(a) do { a; } while (0)
1456 #define LSCAN_DEBUG(a)
1460 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1462 int i, slot, offset, size;
1467 GList *vars = NULL, *l, *unhandled;
1468 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1471 gboolean reuse_slot;
1473 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1475 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1476 vtype_stack_slots = NULL;
1479 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1480 for (i = 0; i < cfg->num_varinfo; ++i)
1483 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1484 inst = cfg->varinfo [i];
1485 vmv = MONO_VARINFO (cfg, i);
1487 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1490 vars = g_list_prepend (vars, vmv);
1493 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1498 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1499 MonoMethodVar *current = unhandled->data;
1501 if (current->interval->range) {
1502 g_assert (current->interval->range->from >= i);
1503 i = current->interval->range->from;
1510 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1511 MonoMethodVar *current = unhandled->data;
1514 inst = cfg->varinfo [vmv->idx];
1516 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1517 * pinvoke wrappers when they call functions returning structures */
1518 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1519 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1524 size = mono_type_size (inst->inst_vtype, &ialign);
1527 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1532 if (cfg->disable_reuse_stack_slots)
1535 t = mono_type_get_underlying_type (inst->inst_vtype);
1537 case MONO_TYPE_GENERICINST:
1538 if (!mono_type_generic_inst_is_valuetype (t)) {
1539 slot_info = &scalar_stack_slots [t->type];
1543 case MONO_TYPE_VALUETYPE:
1544 if (!vtype_stack_slots)
1545 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1546 for (i = 0; i < nvtypes; ++i)
1547 if (t->data.klass == vtype_stack_slots [i].vtype)
1550 slot_info = &vtype_stack_slots [i];
1552 g_assert (nvtypes < 256);
1553 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1554 slot_info = &vtype_stack_slots [nvtypes];
1557 if (cfg->disable_reuse_ref_stack_slots)
1564 #if SIZEOF_REGISTER == 4
1569 if (cfg->disable_ref_noref_stack_slot_share) {
1570 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1575 case MONO_TYPE_CLASS:
1576 case MONO_TYPE_OBJECT:
1577 case MONO_TYPE_ARRAY:
1578 case MONO_TYPE_SZARRAY:
1579 case MONO_TYPE_STRING:
1580 /* Share non-float stack slots of the same size */
1581 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1582 if (cfg->disable_reuse_ref_stack_slots)
1587 slot_info = &scalar_stack_slots [t->type];
1591 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1595 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1597 if (!current->interval->range) {
1598 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1602 inst->flags |= MONO_INST_IS_DEAD;
1607 pos = current->interval->range->from;
1609 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1610 if (current->interval->range)
1611 LSCAN_DEBUG (mono_linterval_print (current->interval));
1612 LSCAN_DEBUG (printf ("\n"));
1614 /* Check for intervals in active which expired or inactive */
1616 /* FIXME: Optimize this */
1619 for (l = slot_info->active; l != NULL; l = l->next) {
1620 MonoMethodVar *v = (MonoMethodVar*)l->data;
1622 if (v->interval->last_range->to < pos) {
1623 slot_info->active = g_list_delete_link (slot_info->active, l);
1624 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1625 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1629 else if (!mono_linterval_covers (v->interval, pos)) {
1630 slot_info->inactive = g_list_append (slot_info->inactive, v);
1631 slot_info->active = g_list_delete_link (slot_info->active, l);
1632 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1639 /* Check for intervals in inactive which expired or active */
1641 /* FIXME: Optimize this */
1644 for (l = slot_info->inactive; l != NULL; l = l->next) {
1645 MonoMethodVar *v = (MonoMethodVar*)l->data;
1647 if (v->interval->last_range->to < pos) {
1648 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1649 // FIXME: Enabling this seems to cause impossible to debug crashes
1650 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1651 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1655 else if (mono_linterval_covers (v->interval, pos)) {
1656 slot_info->active = g_list_append (slot_info->active, v);
1657 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1658 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1666 * This also handles the case when the variable is used in an
1667 * exception region, as liveness info is not computed there.
1670 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1673 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1674 if (slot_info->slots) {
1675 slot = GPOINTER_TO_INT (slot_info->slots->data);
1677 slot_info->slots = slot_info->slots->next;
1680 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1682 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1688 static int count = 0;
1691 if (count == atoi (getenv ("COUNT3")))
1692 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1693 if (count > atoi (getenv ("COUNT3")))
1696 mono_print_ins (inst);
1701 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1706 if (slot == 0xffffff) {
1708 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1709 * efficient copying (and to work around the fact that OP_MEMCPY
1710 * and OP_MEMSET ignores alignment).
1712 if (MONO_TYPE_ISSTRUCT (t)) {
1713 align = MAX (align, sizeof (gpointer));
1714 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1719 offset += align - 1;
1720 offset &= ~(align - 1);
1724 offset += align - 1;
1725 offset &= ~(align - 1);
1730 if (*stack_align == 0)
1731 *stack_align = align;
1734 offsets [vmv->idx] = slot;
1737 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1738 if (scalar_stack_slots [i].active)
1739 g_list_free (scalar_stack_slots [i].active);
1741 for (i = 0; i < nvtypes; ++i) {
1742 if (vtype_stack_slots [i].active)
1743 g_list_free (vtype_stack_slots [i].active);
1746 mono_jit_stats.locals_stack_size += offset;
1748 *stack_size = offset;
1753 * mono_allocate_stack_slots_full:
1755 * Allocate stack slots for all non register allocated variables using a
1756 * linear scan algorithm.
1757 * Returns: an array of stack offsets.
1758 * STACK_SIZE is set to the amount of stack space needed.
1759 * STACK_ALIGN is set to the alignment needed by the locals area.
1762 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1764 int i, slot, offset, size;
1769 GList *vars = NULL, *l;
1770 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1773 gboolean reuse_slot;
1775 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1776 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1778 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1779 vtype_stack_slots = NULL;
1782 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1783 for (i = 0; i < cfg->num_varinfo; ++i)
1786 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1787 inst = cfg->varinfo [i];
1788 vmv = MONO_VARINFO (cfg, i);
1790 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1793 vars = g_list_prepend (vars, vmv);
1796 vars = mono_varlist_sort (cfg, vars, 0);
1798 *stack_align = sizeof (gpointer);
1799 for (l = vars; l; l = l->next) {
1801 inst = cfg->varinfo [vmv->idx];
1803 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1804 * pinvoke wrappers when they call functions returning structures */
1805 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1806 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1810 size = mono_type_size (inst->inst_vtype, &ialign);
1813 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1818 if (cfg->disable_reuse_stack_slots)
1821 t = mono_type_get_underlying_type (inst->inst_vtype);
1823 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1826 case MONO_TYPE_GENERICINST:
1827 if (!mono_type_generic_inst_is_valuetype (t)) {
1828 slot_info = &scalar_stack_slots [t->type];
1832 case MONO_TYPE_VALUETYPE:
1833 if (!vtype_stack_slots)
1834 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1835 for (i = 0; i < nvtypes; ++i)
1836 if (t->data.klass == vtype_stack_slots [i].vtype)
1839 slot_info = &vtype_stack_slots [i];
1841 g_assert (nvtypes < 256);
1842 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1843 slot_info = &vtype_stack_slots [nvtypes];
1846 if (cfg->disable_reuse_ref_stack_slots)
1853 #if SIZEOF_REGISTER == 4
1858 if (cfg->disable_ref_noref_stack_slot_share) {
1859 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1864 case MONO_TYPE_CLASS:
1865 case MONO_TYPE_OBJECT:
1866 case MONO_TYPE_ARRAY:
1867 case MONO_TYPE_SZARRAY:
1868 case MONO_TYPE_STRING:
1869 /* Share non-float stack slots of the same size */
1870 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1871 if (cfg->disable_reuse_ref_stack_slots)
1876 slot_info = &scalar_stack_slots [t->type];
1881 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1882 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1884 /* expire old intervals in active */
1885 while (slot_info->active) {
1886 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1888 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1891 //printf ("EXPIR %2d %08x %08x C%d R%d\n", amv->idx, amv->range.first_use.abs_pos, amv->range.last_use.abs_pos, amv->spill_costs, amv->reg);
1893 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1894 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1898 * This also handles the case when the variable is used in an
1899 * exception region, as liveness info is not computed there.
1902 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1905 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1906 if (slot_info->slots) {
1907 slot = GPOINTER_TO_INT (slot_info->slots->data);
1909 slot_info->slots = slot_info->slots->next;
1912 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1917 static int count = 0;
1921 if (count == atoi (getenv ("COUNT")))
1922 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1923 if (count > atoi (getenv ("COUNT")))
1926 mono_print_ins (inst);
1934 if (slot == 0xffffff) {
1936 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1937 * efficient copying (and to work around the fact that OP_MEMCPY
1938 * and OP_MEMSET ignores alignment).
1940 if (MONO_TYPE_ISSTRUCT (t)) {
1941 align = MAX (align, sizeof (gpointer));
1942 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1944 * Align the size too so the code generated for passing vtypes in
1945 * registers doesn't overwrite random locals.
1947 size = (size + (align - 1)) & ~(align -1);
1952 offset += align - 1;
1953 offset &= ~(align - 1);
1957 offset += align - 1;
1958 offset &= ~(align - 1);
1963 *stack_align = MAX (*stack_align, align);
1966 offsets [vmv->idx] = slot;
1969 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1970 if (scalar_stack_slots [i].active)
1971 g_list_free (scalar_stack_slots [i].active);
1973 for (i = 0; i < nvtypes; ++i) {
1974 if (vtype_stack_slots [i].active)
1975 g_list_free (vtype_stack_slots [i].active);
1978 mono_jit_stats.locals_stack_size += offset;
1980 *stack_size = offset;
1987 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1989 g_assert_not_reached ();
1993 #endif /* DISABLE_JIT */
1996 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1998 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
2001 #define EMUL_HIT_SHIFT 3
2002 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2003 /* small hit bitmap cache */
2004 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2005 static short emul_opcode_num = 0;
2006 static short emul_opcode_alloced = 0;
2007 static short *emul_opcode_opcodes = NULL;
2008 static MonoJitICallInfo **emul_opcode_map = NULL;
2011 mono_find_jit_opcode_emulation (int opcode)
2013 g_assert (opcode >= 0 && opcode <= OP_LAST);
2014 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2016 for (i = 0; i < emul_opcode_num; ++i) {
2017 if (emul_opcode_opcodes [i] == opcode)
2018 return emul_opcode_map [i];
2025 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2027 MonoJitICallInfo *info;
2028 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2030 g_assert (!sig->hasthis);
2031 g_assert (sig->param_count < 3);
2033 info = mono_register_jit_icall (func, name, sig, no_throw);
2035 if (emul_opcode_num >= emul_opcode_alloced) {
2036 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2037 emul_opcode_alloced += incr;
2038 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2039 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2041 emul_opcode_map [emul_opcode_num] = info;
2042 emul_opcode_opcodes [emul_opcode_num] = opcode;
2044 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2048 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2050 MonoMethodSignature *sig;
2053 sig = mono_create_icall_signature (sigstr);
2057 mono_register_jit_icall (func, name, sig, save);
2061 print_dfn (MonoCompile *cfg) {
2067 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
2069 for (i = 0; i < cfg->num_bblocks; ++i) {
2070 bb = cfg->bblocks [i];
2071 /*if (bb->cil_code) {
2072 char* code1, *code2;
2073 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2074 if (bb->last_ins->cil_code)
2075 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2077 code2 = g_strdup ("");
2079 code1 [strlen (code1) - 1] = 0;
2080 code = g_strdup_printf ("%s -> %s", code1, code2);
2084 code = g_strdup ("\n");
2085 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2086 MONO_BB_FOR_EACH_INS (bb, c) {
2087 mono_print_ins_index (-1, c);
2090 g_print ("\tprev:");
2091 for (j = 0; j < bb->in_count; ++j) {
2092 g_print (" BB%d", bb->in_bb [j]->block_num);
2094 g_print ("\t\tsucc:");
2095 for (j = 0; j < bb->out_count; ++j) {
2096 g_print (" BB%d", bb->out_bb [j]->block_num);
2098 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2101 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2104 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2106 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2114 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2116 MONO_ADD_INS (bb, inst);
2120 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2124 bb->code = ins_to_insert;
2126 /* Link with next */
2127 ins_to_insert->next = ins;
2129 ins->prev = ins_to_insert;
2131 if (bb->last_ins == NULL)
2132 bb->last_ins = ins_to_insert;
2134 /* Link with next */
2135 ins_to_insert->next = ins->next;
2137 ins->next->prev = ins_to_insert;
2139 /* Link with previous */
2140 ins->next = ins_to_insert;
2141 ins_to_insert->prev = ins;
2143 if (bb->last_ins == ins)
2144 bb->last_ins = ins_to_insert;
2149 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2153 bb->code = ins_to_insert;
2154 ins_to_insert->next = ins;
2155 if (bb->last_ins == NULL)
2156 bb->last_ins = ins_to_insert;
2158 /* Link with previous */
2160 ins->prev->next = ins_to_insert;
2161 ins_to_insert->prev = ins->prev;
2163 /* Link with next */
2164 ins->prev = ins_to_insert;
2165 ins_to_insert->next = ins;
2167 if (bb->code == ins)
2168 bb->code = ins_to_insert;
2173 * mono_verify_bblock:
2175 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2178 mono_verify_bblock (MonoBasicBlock *bb)
2180 MonoInst *ins, *prev;
2183 for (ins = bb->code; ins; ins = ins->next) {
2184 g_assert (ins->prev == prev);
2188 g_assert (!bb->last_ins->next);
2194 * Perform consistency checks on the JIT data structures and the IR
2197 mono_verify_cfg (MonoCompile *cfg)
2201 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2202 mono_verify_bblock (bb);
2206 mono_destroy_compile (MonoCompile *cfg)
2211 mono_metadata_free_mh (cfg->header);
2212 //mono_mempool_stats (cfg->mempool);
2213 mono_free_loop_info (cfg);
2215 mono_regstate_free (cfg->rs);
2217 g_hash_table_destroy (cfg->spvars);
2219 g_hash_table_destroy (cfg->exvars);
2220 for (l = cfg->headers_to_free; l; l = l->next)
2221 mono_metadata_free_mh (l->data);
2222 g_list_free (cfg->ldstr_list);
2223 g_hash_table_destroy (cfg->token_info_hash);
2224 if (cfg->abs_patches)
2225 g_hash_table_destroy (cfg->abs_patches);
2226 mono_mempool_destroy (cfg->mempool);
2228 g_free (cfg->varinfo);
2230 g_free (cfg->exception_message);
2234 #ifdef HAVE_KW_THREAD
2235 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2236 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2238 * When this is defined, the current lmf is stored in this tls variable instead of in
2241 static __thread gpointer mono_lmf MONO_TLS_FAST;
2246 mono_get_jit_tls_key (void)
2248 return mono_jit_tls_id;
2252 mono_get_jit_tls_offset (void)
2254 #ifdef HAVE_KW_THREAD
2256 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2264 mono_get_lmf_tls_offset (void)
2266 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2268 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2276 mono_get_lmf_addr_tls_offset (void)
2279 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2286 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2289 MonoJitTlsData *jit_tls;
2291 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2292 return jit_tls->lmf;
2294 g_assert_not_reached ();
2300 mono_get_lmf_addr (void)
2302 #ifdef HAVE_KW_THREAD
2303 return mono_lmf_addr;
2305 MonoJitTlsData *jit_tls;
2307 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2308 return &jit_tls->lmf;
2311 * When resolving the call to mono_jit_thread_attach full-aot will look
2312 * in the plt, which causes a call into the generic trampoline, which in turn
2313 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2314 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2315 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2318 mono_jit_thread_attach (NULL);
2320 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2321 return &jit_tls->lmf;
2323 g_assert_not_reached ();
2329 mono_set_lmf (MonoLMF *lmf)
2331 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2335 (*mono_get_lmf_addr ()) = lmf;
2338 /* Called by native->managed wrappers */
2340 mono_jit_thread_attach (MonoDomain *domain)
2344 * Happens when called from AOTed code which is only used in the root
2347 domain = mono_get_root_domain ();
2349 #ifdef HAVE_KW_THREAD
2350 if (!mono_lmf_addr) {
2351 mono_thread_attach (domain);
2354 if (!TlsGetValue (mono_jit_tls_id))
2355 mono_thread_attach (domain);
2357 if (mono_domain_get () != domain)
2358 mono_domain_set (domain, TRUE);
2362 * mono_thread_abort:
2363 * @obj: exception object
2365 * abort the thread, print exception information and stack trace
2368 mono_thread_abort (MonoObject *obj)
2370 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2372 /* handle_remove should be eventually called for this thread, too
2375 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2376 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2377 mono_thread_exit ();
2379 exit (mono_environment_exitcode_get ());
2384 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2386 MonoJitTlsData *jit_tls;
2389 jit_tls = TlsGetValue (mono_jit_tls_id);
2393 jit_tls = g_new0 (MonoJitTlsData, 1);
2395 TlsSetValue (mono_jit_tls_id, jit_tls);
2397 #ifdef HAVE_KW_THREAD
2398 mono_jit_tls = jit_tls;
2401 jit_tls->abort_func = abort_func;
2402 jit_tls->end_of_stack = stack_start;
2404 lmf = g_new0 (MonoLMF, 1);
2405 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2406 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2411 jit_tls->first_lmf = lmf;
2413 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2414 /* jit_tls->lmf is unused */
2416 mono_lmf_addr = &mono_lmf;
2418 #if defined(HAVE_KW_THREAD)
2419 mono_lmf_addr = &jit_tls->lmf;
2425 mono_arch_setup_jit_tls_data (jit_tls);
2426 mono_setup_altstack (jit_tls);
2432 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2434 MonoInternalThread *thread;
2435 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2436 thread = mono_thread_internal_current ();
2437 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2439 thread->jit_data = jit_tls;
2442 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2445 mono_thread_abort_dummy (MonoObject *obj)
2447 if (mono_thread_attach_aborted_cb)
2448 mono_thread_attach_aborted_cb (obj);
2450 mono_thread_abort (obj);
2454 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2456 MonoInternalThread *thread;
2457 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2458 thread = mono_thread_internal_current ();
2459 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2461 thread->jit_data = jit_tls;
2462 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2463 mono_runtime_setup_stat_profiler ();
2467 mini_thread_cleanup (MonoThread *thread)
2469 MonoInternalThread *internal = thread->internal_thread;
2470 MonoJitTlsData *jit_tls = internal->jit_data;
2473 mono_debugger_thread_cleanup (jit_tls);
2474 mono_arch_free_jit_tls_data (jit_tls);
2476 mono_free_altstack (jit_tls);
2477 g_free (jit_tls->first_lmf);
2479 internal->jit_data = NULL;
2481 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2482 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2483 * not a trivial thing.
2485 * The current offender is mono_thread_manage which cleanup threads from the outside.
2487 if (internal == mono_thread_internal_current ()) {
2488 TlsSetValue (mono_jit_tls_id, NULL);
2490 #ifdef HAVE_KW_THREAD
2491 mono_jit_tls = NULL;
2492 mono_lmf_addr = NULL;
2493 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2502 mono_create_tls_get (MonoCompile *cfg, int offset)
2504 #ifdef MONO_ARCH_HAVE_TLS_GET
2505 if (MONO_ARCH_HAVE_TLS_GET) {
2511 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2512 ins->dreg = mono_alloc_preg (cfg);
2513 ins->inst_offset = offset;
2521 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2523 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2527 mono_get_domain_intrinsic (MonoCompile* cfg)
2529 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2533 mono_get_thread_intrinsic (MonoCompile* cfg)
2535 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2539 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2541 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2545 ji->data.target = target;
2546 ji->next = cfg->patch_info;
2548 cfg->patch_info = ji;
2552 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2554 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2558 ji->data.target = target;
2565 mono_remove_patch_info (MonoCompile *cfg, int ip)
2567 MonoJumpInfo **ji = &cfg->patch_info;
2570 if ((*ji)->ip.i == ip)
2573 ji = &((*ji)->next);
2578 * mono_patch_info_dup_mp:
2580 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2583 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2585 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2586 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2588 switch (patch_info->type) {
2589 case MONO_PATCH_INFO_RVA:
2590 case MONO_PATCH_INFO_LDSTR:
2591 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2592 case MONO_PATCH_INFO_LDTOKEN:
2593 case MONO_PATCH_INFO_DECLSEC:
2594 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2595 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2597 case MONO_PATCH_INFO_SWITCH:
2598 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2599 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2600 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2601 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2603 case MONO_PATCH_INFO_RGCTX_FETCH:
2604 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2605 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2606 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2616 mono_patch_info_hash (gconstpointer data)
2618 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2621 case MONO_PATCH_INFO_RVA:
2622 case MONO_PATCH_INFO_LDSTR:
2623 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2624 case MONO_PATCH_INFO_LDTOKEN:
2625 case MONO_PATCH_INFO_DECLSEC:
2626 return (ji->type << 8) | ji->data.token->token;
2627 case MONO_PATCH_INFO_INTERNAL_METHOD:
2628 return (ji->type << 8) | g_str_hash (ji->data.name);
2629 case MONO_PATCH_INFO_VTABLE:
2630 case MONO_PATCH_INFO_CLASS:
2631 case MONO_PATCH_INFO_IID:
2632 case MONO_PATCH_INFO_ADJUSTED_IID:
2633 case MONO_PATCH_INFO_CLASS_INIT:
2634 case MONO_PATCH_INFO_METHODCONST:
2635 case MONO_PATCH_INFO_METHOD:
2636 case MONO_PATCH_INFO_METHOD_JUMP:
2637 case MONO_PATCH_INFO_IMAGE:
2638 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2639 case MONO_PATCH_INFO_FIELD:
2640 case MONO_PATCH_INFO_SFLDA:
2641 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2642 return (ji->type << 8) | (gssize)ji->data.target;
2644 return (ji->type << 8);
2649 * mono_patch_info_equal:
2651 * This might fail to recognize equivalent patches, i.e. floats, so its only
2652 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2656 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2658 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2659 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2661 if (ji1->type != ji2->type)
2664 switch (ji1->type) {
2665 case MONO_PATCH_INFO_RVA:
2666 case MONO_PATCH_INFO_LDSTR:
2667 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2668 case MONO_PATCH_INFO_LDTOKEN:
2669 case MONO_PATCH_INFO_DECLSEC:
2670 if ((ji1->data.token->image != ji2->data.token->image) ||
2671 (ji1->data.token->token != ji2->data.token->token) ||
2672 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2673 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2674 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2677 case MONO_PATCH_INFO_INTERNAL_METHOD:
2678 return g_str_equal (ji1->data.name, ji2->data.name);
2680 case MONO_PATCH_INFO_RGCTX_FETCH: {
2681 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2682 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2684 return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
2687 if (ji1->data.target != ji2->data.target)
2696 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2698 unsigned char *ip = patch_info->ip.i + code;
2699 gconstpointer target = NULL;
2701 switch (patch_info->type) {
2702 case MONO_PATCH_INFO_BB:
2704 * FIXME: This could be hit for methods without a prolog. Should use -1
2705 * but too much code depends on a 0 initial value.
2707 //g_assert (patch_info->data.bb->native_offset);
2708 target = patch_info->data.bb->native_offset + code;
2710 case MONO_PATCH_INFO_ABS:
2711 target = patch_info->data.target;
2713 case MONO_PATCH_INFO_LABEL:
2714 target = patch_info->data.inst->inst_c0 + code;
2716 case MONO_PATCH_INFO_IP:
2719 case MONO_PATCH_INFO_METHOD_REL:
2720 target = code + patch_info->data.offset;
2722 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2723 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2725 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2726 g_assert_not_reached ();
2728 target = mono_icall_get_wrapper (mi);
2731 case MONO_PATCH_INFO_METHOD_JUMP:
2732 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2734 case MONO_PATCH_INFO_METHOD:
2735 if (patch_info->data.method == method) {
2738 /* get the trampoline to the method from the domain */
2739 target = mono_create_jit_trampoline (patch_info->data.method);
2742 case MONO_PATCH_INFO_SWITCH: {
2743 gpointer *jump_table;
2746 if (method && method->dynamic) {
2747 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2749 if (mono_aot_only) {
2750 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2752 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2756 for (i = 0; i < patch_info->data.table->table_size; i++)
2757 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2758 target = jump_table;
2761 case MONO_PATCH_INFO_METHODCONST:
2762 case MONO_PATCH_INFO_CLASS:
2763 case MONO_PATCH_INFO_IMAGE:
2764 case MONO_PATCH_INFO_FIELD:
2765 target = patch_info->data.target;
2767 case MONO_PATCH_INFO_IID:
2768 mono_class_init (patch_info->data.klass);
2769 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2771 case MONO_PATCH_INFO_ADJUSTED_IID:
2772 mono_class_init (patch_info->data.klass);
2773 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2775 case MONO_PATCH_INFO_VTABLE:
2776 target = mono_class_vtable (domain, patch_info->data.klass);
2779 case MONO_PATCH_INFO_CLASS_INIT: {
2780 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2783 target = mono_create_class_init_trampoline (vtable);
2786 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2787 target = mono_create_delegate_trampoline (patch_info->data.klass);
2789 case MONO_PATCH_INFO_SFLDA: {
2790 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2792 if (mono_class_field_is_special_static (patch_info->data.field)) {
2793 gpointer addr = NULL;
2795 mono_domain_lock (domain);
2796 if (domain->special_static_fields)
2797 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
2798 mono_domain_unlock (domain);
2804 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2805 /* Done by the generated code */
2809 mono_runtime_class_init (vtable);
2811 target = (char*)vtable->data + patch_info->data.field->offset;
2814 case MONO_PATCH_INFO_RVA: {
2815 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2818 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2819 target = mono_image_rva_map (patch_info->data.token->image, rva);
2822 case MONO_PATCH_INFO_R4:
2823 case MONO_PATCH_INFO_R8:
2824 target = patch_info->data.target;
2826 case MONO_PATCH_INFO_EXC_NAME:
2827 target = patch_info->data.name;
2829 case MONO_PATCH_INFO_LDSTR:
2831 mono_ldstr (domain, patch_info->data.token->image,
2832 mono_metadata_token_index (patch_info->data.token->token));
2834 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2836 MonoClass *handle_class;
2838 handle = mono_ldtoken (patch_info->data.token->image,
2839 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2840 mono_class_init (handle_class);
2841 mono_class_init (mono_class_from_mono_type (handle));
2844 mono_type_get_object (domain, handle);
2847 case MONO_PATCH_INFO_LDTOKEN: {
2849 MonoClass *handle_class;
2851 handle = mono_ldtoken (patch_info->data.token->image,
2852 patch_info->data.token->token, &handle_class, NULL);
2853 mono_class_init (handle_class);
2858 case MONO_PATCH_INFO_DECLSEC:
2859 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2861 case MONO_PATCH_INFO_ICALL_ADDR:
2862 /* run_cctors == 0 -> AOT */
2863 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2865 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2867 g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
2872 target = mono_lookup_internal_call (patch_info->data.method);
2874 if (!target && run_cctors)
2875 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2878 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2879 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2881 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2882 g_assert_not_reached ();
2887 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2888 target = mono_thread_interruption_request_flag ();
2890 case MONO_PATCH_INFO_METHOD_RGCTX: {
2891 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
2894 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
2897 case MONO_PATCH_INFO_BB_OVF:
2898 case MONO_PATCH_INFO_EXC_OVF:
2899 case MONO_PATCH_INFO_GOT_OFFSET:
2900 case MONO_PATCH_INFO_NONE:
2902 case MONO_PATCH_INFO_RGCTX_FETCH: {
2903 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2906 switch (entry->data->type) {
2907 case MONO_PATCH_INFO_CLASS:
2908 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
2910 case MONO_PATCH_INFO_METHOD:
2911 case MONO_PATCH_INFO_METHODCONST:
2912 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
2914 case MONO_PATCH_INFO_FIELD:
2915 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
2918 g_assert_not_reached ();
2922 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2925 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2926 target = mono_create_generic_class_init_trampoline ();
2928 case MONO_PATCH_INFO_MONITOR_ENTER:
2929 target = mono_create_monitor_enter_trampoline ();
2931 case MONO_PATCH_INFO_MONITOR_EXIT:
2932 target = mono_create_monitor_exit_trampoline ();
2934 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
2935 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2937 /* AOT, not needed */
2940 target = mono_arch_get_seq_point_info (domain, code);
2943 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
2944 #ifdef MONO_ARCH_LLVM_SUPPORTED
2945 g_assert (mono_use_llvm);
2946 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
2948 g_assert_not_reached ();
2952 g_assert_not_reached ();
2955 return (gpointer)target;
2959 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
2961 ins->inst_offset = native_offset;
2962 g_ptr_array_add (cfg->seq_points, ins);
2963 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
2964 bb->last_seq_point = ins;
2970 mono_compile_create_vars (MonoCompile *cfg)
2972 MonoMethodSignature *sig;
2973 MonoMethodHeader *header;
2976 header = cfg->header;
2978 sig = mono_method_signature (cfg->method);
2980 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2981 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2982 /* Inhibit optimizations */
2983 cfg->ret->flags |= MONO_INST_VOLATILE;
2985 if (cfg->verbose_level > 2)
2986 g_print ("creating vars\n");
2988 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2991 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2993 for (i = 0; i < sig->param_count; ++i) {
2994 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2997 if (cfg->verbose_level > 2) {
2999 printf ("\treturn : ");
3000 mono_print_ins (cfg->ret);
3004 printf ("\tthis: ");
3005 mono_print_ins (cfg->args [0]);
3008 for (i = 0; i < sig->param_count; ++i) {
3009 printf ("\targ [%d]: ", i);
3010 mono_print_ins (cfg->args [i + sig->hasthis]);
3014 cfg->locals_start = cfg->num_varinfo;
3015 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3017 if (cfg->verbose_level > 2)
3018 g_print ("creating locals\n");
3020 for (i = 0; i < header->num_locals; ++i)
3021 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3023 if (cfg->verbose_level > 2)
3024 g_print ("locals done\n");
3026 mono_arch_create_vars (cfg);
3029 #endif /* #ifndef DISABLE_JIT */
3032 mono_print_code (MonoCompile *cfg, const char* msg)
3036 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3037 mono_print_bb (bb, msg);
3043 mono_postprocess_patches (MonoCompile *cfg)
3045 MonoJumpInfo *patch_info;
3048 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3049 switch (patch_info->type) {
3050 case MONO_PATCH_INFO_ABS: {
3051 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3054 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3058 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3059 // FIXME: CLEAN UP THIS MESS.
3060 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3061 strstr (cfg->method->name, info->name)) {
3063 * This is an icall wrapper, and this is a call to the
3066 if (cfg->compile_aot) {
3067 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3068 patch_info->data.name = info->name;
3071 /* for these array methods we currently register the same function pointer
3072 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3073 * will return the incorrect one depending on the order they are registered.
3074 * See tests/test-arr.cs
3076 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3077 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3078 patch_info->data.name = info->name;
3083 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3084 if (cfg->abs_patches) {
3085 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3087 patch_info->type = abs_ji->type;
3088 patch_info->data.target = abs_ji->data.target;
3095 case MONO_PATCH_INFO_SWITCH: {
3097 if (cfg->method->dynamic) {
3098 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3100 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3103 for (i = 0; i < patch_info->data.table->table_size; i++) {
3104 /* Might be NULL if the switch is eliminated */
3105 if (patch_info->data.table->table [i]) {
3106 g_assert (patch_info->data.table->table [i]->native_offset);
3107 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3112 patch_info->data.table->table = (MonoBasicBlock**)table;
3115 case MONO_PATCH_INFO_METHOD_JUMP: {
3117 MonoDomain *domain = cfg->domain;
3118 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3120 mono_domain_lock (domain);
3121 if (!domain_jit_info (domain)->jump_target_hash)
3122 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3123 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3124 list = g_slist_prepend (list, ip);
3125 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3126 mono_domain_unlock (domain);
3137 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3140 MonoBasicBlock *in_bb;
3142 for (i = 0; i < bb->in_count; ++i) {
3143 in_bb = bb->in_bb [i];
3145 if (in_bb->last_seq_point) {
3146 next [in_bb->last_seq_point->backend.size] = g_slist_append (next [in_bb->last_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3148 /* Have to look at its predecessors */
3150 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3156 mono_save_seq_point_info (MonoCompile *cfg)
3159 GSList *bb_seq_points, *l;
3161 MonoDomain *domain = cfg->domain;
3163 MonoSeqPointInfo *info;
3166 if (!cfg->seq_points)
3169 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3170 info->len = cfg->seq_points->len;
3171 for (i = 0; i < cfg->seq_points->len; ++i) {
3172 SeqPoint *sp = &info->seq_points [i];
3173 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3175 sp->il_offset = ins->inst_imm;
3176 sp->native_offset = ins->inst_offset;
3179 ins->backend.size = i;
3183 * For each sequence point, compute the list of sequence points immediately
3184 * following it, this is needed to implement 'step over' in the debugger agent.
3186 next = g_new0 (GSList*, cfg->seq_points->len);
3187 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3188 bb_seq_points = g_slist_reverse (bb->seq_points);
3190 for (l = bb_seq_points; l; l = l->next) {
3191 MonoInst *ins = l->data;
3193 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3197 /* Link with the previous seq point in the same bb */
3198 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3200 /* Link with the last bb in the previous bblocks */
3201 collect_pred_seq_points (bb, ins, next, 0);
3208 if (cfg->verbose_level > 2) {
3209 printf ("\nSEQ POINT MAP: \n");
3212 for (i = 0; i < cfg->seq_points->len; ++i) {
3213 SeqPoint *sp = &info->seq_points [i];
3217 sp->next_len = g_slist_length (next [i]);
3218 sp->next = g_new (int, sp->next_len);
3220 if (cfg->verbose_level > 2 && next [i]) {
3221 printf ("\t0x%x ->", sp->il_offset);
3222 for (l = next [i]; l; l = l->next) {
3223 next_index = GPOINTER_TO_UINT (l->data);
3224 printf (" 0x%x", info->seq_points [next_index].il_offset);
3228 for (l = next [i]; l; l = l->next) {
3229 next_index = GPOINTER_TO_UINT (l->data);
3230 sp->next [j ++] = next_index;
3232 g_slist_free (next [i]);
3236 cfg->seq_point_info = info;
3238 // FIXME: dynamic methods
3239 mono_domain_lock (domain);
3240 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3241 mono_domain_unlock (domain);
3243 g_ptr_array_free (cfg->seq_points, TRUE);
3244 cfg->seq_points = NULL;
3248 mono_codegen (MonoCompile *cfg)
3251 int max_epilog_size;
3254 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3255 cfg->spill_count = 0;
3256 /* we reuse dfn here */
3257 /* bb->dfn = bb_count++; */
3259 mono_arch_lowering_pass (cfg, bb);
3261 if (cfg->opt & MONO_OPT_PEEPHOLE)
3262 mono_arch_peephole_pass_1 (cfg, bb);
3265 mono_local_regalloc (cfg, bb);
3267 if (cfg->opt & MONO_OPT_PEEPHOLE)
3268 mono_arch_peephole_pass_2 (cfg, bb);
3271 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3272 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3274 code = mono_arch_emit_prolog (cfg);
3276 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3277 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3279 cfg->code_len = code - cfg->native_code;
3280 cfg->prolog_end = cfg->code_len;
3282 mono_debug_open_method (cfg);
3284 /* emit code all basic blocks */
3285 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3286 bb->native_offset = cfg->code_len;
3287 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3288 mono_arch_output_basic_block (cfg, bb);
3289 bb->native_length = cfg->code_len - bb->native_offset;
3291 if (bb == cfg->bb_exit) {
3292 cfg->epilog_begin = cfg->code_len;
3294 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3295 code = cfg->native_code + cfg->code_len;
3296 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3297 cfg->code_len = code - cfg->native_code;
3298 g_assert (cfg->code_len < cfg->code_size);
3301 mono_arch_emit_epilog (cfg);
3305 mono_arch_emit_exceptions (cfg);
3307 max_epilog_size = 0;
3309 code = cfg->native_code + cfg->code_len;
3311 /* we always allocate code in cfg->domain->code_mp to increase locality */
3312 cfg->code_size = cfg->code_len + max_epilog_size;
3313 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3315 if (cfg->method->dynamic) {
3316 guint unwindlen = 0;
3317 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3318 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3320 /* Allocate the code into a separate memory pool so it can be freed */
3321 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3322 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3323 mono_domain_lock (cfg->domain);
3324 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3325 mono_domain_unlock (cfg->domain);
3327 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3329 guint unwindlen = 0;
3330 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3331 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3333 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3336 memcpy (code, cfg->native_code, cfg->code_len);
3337 g_free (cfg->native_code);
3338 cfg->native_code = code;
3339 code = cfg->native_code + cfg->code_len;
3341 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3342 mono_postprocess_patches (cfg);
3344 #ifdef VALGRIND_JIT_REGISTER_MAP
3345 if (valgrind_register){
3346 char* nm = mono_method_full_name (cfg->method, TRUE);
3347 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3352 if (cfg->verbose_level > 0) {
3353 char* nm = mono_method_full_name (cfg->method, TRUE);
3354 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3356 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3361 gboolean is_generic = FALSE;
3363 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3364 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3368 if (cfg->generic_sharing_context)
3369 g_assert (is_generic);
3372 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3373 mono_arch_save_unwind_info (cfg);
3376 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3378 if (cfg->method->dynamic) {
3379 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3381 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3383 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3385 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3387 mono_debug_close_method (cfg);
3389 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3390 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3395 compute_reachable (MonoBasicBlock *bb)
3399 if (!(bb->flags & BB_VISITED)) {
3400 bb->flags |= BB_VISITED;
3401 for (i = 0; i < bb->out_count; ++i)
3402 compute_reachable (bb->out_bb [i]);
3407 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3410 MonoMethodHeader *header;
3413 int generic_info_size;
3414 int holes_size = 0, num_holes = 0;
3416 g_assert (method_to_compile == cfg->method);
3417 header = cfg->header;
3419 if (cfg->generic_sharing_context)
3420 generic_info_size = sizeof (MonoGenericJitInfo);
3422 generic_info_size = 0;
3424 if (cfg->try_block_holes) {
3425 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3426 TryBlockHole *hole = tmp->data;
3427 MonoExceptionClause *ec = hole->clause;
3428 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3429 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3430 g_assert (clause_last_bb);
3432 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3433 if (clause_last_bb->native_offset != hole_end)
3437 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3438 if (G_UNLIKELY (cfg->verbose_level >= 4))
3439 printf ("Number of try block holes %d\n", num_holes);
3442 if (COMPILE_LLVM (cfg))
3443 num_clauses = cfg->llvm_ex_info_len;
3445 num_clauses = header->num_clauses;
3447 if (cfg->method->dynamic) {
3448 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3449 generic_info_size + holes_size);
3451 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3452 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3453 generic_info_size + holes_size);
3456 jinfo->method = cfg->method_to_register;
3457 jinfo->code_start = cfg->native_code;
3458 jinfo->code_size = cfg->code_len;
3459 jinfo->used_regs = cfg->used_int_regs;
3460 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3461 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3462 jinfo->num_clauses = num_clauses;
3463 if (COMPILE_LLVM (cfg))
3464 jinfo->from_llvm = TRUE;
3466 if (cfg->generic_sharing_context) {
3468 MonoGenericJitInfo *gi;
3470 jinfo->has_generic_jit_info = 1;
3472 gi = mono_jit_info_get_generic_jit_info (jinfo);
3475 gi->generic_sharing_context = cfg->generic_sharing_context;
3477 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3478 mini_method_get_context (method_to_compile)->method_inst ||
3479 method_to_compile->klass->valuetype) {
3480 g_assert (cfg->rgctx_var);
3485 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3486 mini_method_get_context (method_to_compile)->method_inst ||
3487 method_to_compile->klass->valuetype) {
3488 inst = cfg->rgctx_var;
3489 if (!COMPILE_LLVM (cfg))
3490 g_assert (inst->opcode == OP_REGOFFSET);
3492 inst = cfg->args [0];
3495 if (COMPILE_LLVM (cfg)) {
3496 g_assert (cfg->llvm_this_reg != -1);
3497 gi->this_in_reg = 0;
3498 gi->this_reg = cfg->llvm_this_reg;
3499 gi->this_offset = cfg->llvm_this_offset;
3500 } else if (inst->opcode == OP_REGVAR) {
3501 gi->this_in_reg = 1;
3502 gi->this_reg = inst->dreg;
3504 g_assert (inst->opcode == OP_REGOFFSET);
3506 g_assert (inst->inst_basereg == X86_EBP);
3507 #elif defined(TARGET_AMD64)
3508 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3510 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3512 gi->this_in_reg = 0;
3513 gi->this_reg = inst->inst_basereg;
3514 gi->this_offset = inst->inst_offset;
3519 MonoTryBlockHoleTableJitInfo *table;
3522 jinfo->has_try_block_holes = 1;
3523 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3524 table->num_holes = (guint16)num_holes;
3526 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3527 guint32 start_bb_offset;
3528 MonoTryBlockHoleJitInfo *hole;
3529 TryBlockHole *hole_data = tmp->data;
3530 MonoExceptionClause *ec = hole_data->clause;
3531 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3532 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3533 g_assert (clause_last_bb);
3535 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3536 if (clause_last_bb->native_offset == hole_end)
3539 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3540 hole = &table->holes [i++];
3541 hole->clause = hole_data->clause - &header->clauses [0];
3542 hole->offset = (guint32)hole_data->start_offset;
3543 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3545 if (G_UNLIKELY (cfg->verbose_level >= 4))
3546 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3548 g_assert (i == num_holes);
3551 if (COMPILE_LLVM (cfg)) {
3553 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3554 } else if (header->num_clauses) {
3557 for (i = 0; i < header->num_clauses; i++) {
3558 MonoExceptionClause *ec = &header->clauses [i];
3559 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3560 MonoBasicBlock *tblock;
3563 ei->flags = ec->flags;
3565 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3566 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3568 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3569 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3571 ei->data.filter = cfg->native_code + tblock->native_offset;
3573 ei->data.catch_class = ec->data.catch_class;
3576 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3578 ei->try_start = cfg->native_code + tblock->native_offset;
3579 g_assert (tblock->native_offset);
3580 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3582 ei->try_end = cfg->native_code + tblock->native_offset;
3583 g_assert (tblock->native_offset);
3584 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3586 ei->handler_start = cfg->native_code + tblock->native_offset;
3588 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3589 TryBlockHole *hole = tmp->data;
3590 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3591 if (hole->clause == ec && hole_end == ei->try_end) {
3592 if (G_UNLIKELY (cfg->verbose_level >= 4))
3593 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3595 ei->try_end = cfg->native_code + hole->start_offset;
3600 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3602 if (ec->handler_offset + ec->handler_len < header->code_size) {
3603 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3605 end_offset = tblock->native_offset;
3607 end_offset = cfg->epilog_begin;
3609 ei->data.handler_end = cfg->native_code + end_offset;
3614 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
3616 for (i = 0; i < jinfo->num_clauses; i++) {
3617 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3618 int start = (guint8*)ei->try_start - cfg->native_code;
3619 int end = (guint8*)ei->try_end - cfg->native_code;
3620 int handler = (guint8*)ei->handler_start - cfg->native_code;
3622 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
3627 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3628 * using it during runtime, hence the define.
3630 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3631 if (cfg->encoded_unwind_ops) {
3632 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3633 g_free (cfg->encoded_unwind_ops);
3634 } else if (cfg->unwind_ops) {
3636 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3638 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3639 g_free (unwind_info);
3648 * mini_get_shared_method:
3650 * Return the method which is actually compiled/registered when doing generic sharing.
3653 mini_get_shared_method (MonoMethod *method)
3655 MonoGenericContext shared_context;
3656 MonoMethod *declaring_method, *res;
3658 gboolean partial = FALSE;
3660 if (method->is_generic || method->klass->generic_container)
3661 declaring_method = method;
3663 declaring_method = mono_method_get_declaring_generic_method (method);
3665 if (declaring_method->is_generic)
3666 shared_context = mono_method_get_generic_container (declaring_method)->context;
3668 shared_context = declaring_method->klass->generic_container->context;
3670 /* Handle partial sharing */
3671 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
3672 MonoGenericContext *context = mono_method_get_context (method);
3673 MonoGenericInst *inst;
3674 MonoType **type_argv;
3677 * Create the shared context by replacing the ref type arguments with
3678 * type parameters, and keeping the rest.
3681 inst = context->class_inst;
3683 type_argv = g_new0 (MonoType*, inst->type_argc);
3684 for (i = 0; i < inst->type_argc; ++i) {
3685 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3686 type_argv [i] = shared_context.class_inst->type_argv [i];
3688 type_argv [i] = inst->type_argv [i];
3691 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3695 inst = context->method_inst;
3697 type_argv = g_new0 (MonoType*, inst->type_argc);
3698 for (i = 0; i < inst->type_argc; ++i) {
3699 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3700 type_argv [i] = shared_context.method_inst->type_argv [i];
3702 type_argv [i] = inst->type_argv [i];
3705 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3710 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
3712 /* The result should be an inflated method whose parent is not inflated */
3713 g_assert (!res->klass->is_inflated);
3720 * mini_method_compile:
3721 * @method: the method to compile
3722 * @opts: the optimization flags to use
3723 * @domain: the domain where the method will be compiled in
3724 * @run_cctors: whether we should run type ctors if possible
3725 * @compile_aot: whether this is an AOT compilation
3726 * @parts: debug flag
3728 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3729 * field in the returned struct to see if compilation succeded.
3732 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3734 MonoMethodHeader *header;
3735 MonoMethodSignature *sig;
3739 int dfn, i, code_size_ratio;
3740 gboolean deadce_has_run = FALSE;
3741 gboolean try_generic_shared, try_llvm;
3742 MonoMethod *method_to_compile, *method_to_register;
3744 mono_jit_stats.methods_compiled++;
3745 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3746 mono_profiler_method_jit (method);
3747 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3748 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3752 * We might get passed the original generic method definition or
3753 * instances with type parameters.
3754 * FIXME: Remove the method->klass->generic_class limitation.
3756 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3757 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
3759 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3760 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3762 if (opts & MONO_OPT_GSHARED) {
3763 if (try_generic_shared)
3764 mono_stats.generics_sharable_methods++;
3765 else if (mono_method_is_generic_impl (method))
3766 mono_stats.generics_unsharable_methods++;
3769 try_llvm = mono_use_llvm;
3772 if (try_generic_shared) {
3773 method_to_compile = mini_get_shared_method (method);
3774 g_assert (method_to_compile);
3776 method_to_compile = method;
3779 cfg = g_new0 (MonoCompile, 1);
3780 cfg->method = method_to_compile;
3781 cfg->header = mono_method_get_header (cfg->method);
3782 cfg->mempool = mono_mempool_new ();
3784 cfg->prof_options = mono_profiler_get_events ();
3785 cfg->run_cctors = run_cctors;
3786 cfg->domain = domain;
3787 cfg->verbose_level = mini_verbose;
3788 cfg->compile_aot = compile_aot;
3789 cfg->skip_visibility = method->skip_visibility;
3790 cfg->orig_method = method;
3791 cfg->gen_seq_points = debug_options.gen_seq_points;
3792 cfg->explicit_null_checks = debug_options.explicit_null_checks;
3793 if (try_generic_shared)
3794 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3795 cfg->compile_llvm = try_llvm;
3796 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3798 if (cfg->gen_seq_points)
3799 cfg->seq_points = g_ptr_array_new ();
3801 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3802 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3806 if (cfg->generic_sharing_context) {
3807 method_to_register = method_to_compile;
3809 g_assert (method == method_to_compile);
3810 method_to_register = method;
3812 cfg->method_to_register = method_to_register;
3814 mono_error_init (&err);
3815 sig = mono_method_signature_checked (cfg->method, &err);
3817 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
3818 cfg->exception_message = g_strdup (mono_error_get_message (&err));
3819 mono_error_cleanup (&err);
3820 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3821 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3825 header = cfg->header;
3827 MonoLoaderError *error;
3829 if ((error = mono_loader_get_last_error ())) {
3830 cfg->exception_type = error->exception_type;
3832 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3833 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3835 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3836 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3842 static gboolean inited;
3845 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);
3846 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
3851 * Check for methods which cannot be compiled by LLVM early, to avoid
3852 * the extra compilation pass.
3854 if (COMPILE_LLVM (cfg)) {
3855 mono_llvm_check_method_supported (cfg);
3856 if (cfg->disable_llvm) {
3857 if (cfg->verbose_level >= 1) {
3858 //nm = mono_method_full_name (cfg->method, TRUE);
3859 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3862 InterlockedIncrement (&methods_without_llvm);
3863 mono_destroy_compile (cfg);
3865 goto restart_compile;
3871 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3872 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3873 cfg->disable_reuse_registers = TRUE;
3874 cfg->disable_reuse_stack_slots = TRUE;
3876 * This decreases the change the debugger will read registers/stack slots which are
3877 * not yet initialized.
3879 cfg->disable_initlocals_opt = TRUE;
3881 cfg->extend_live_ranges = TRUE;
3883 /* Temporarily disable this when running in the debugger until we have support
3884 * for this in the debugger. */
3885 cfg->disable_omit_fp = TRUE;
3887 /* The debugger needs all locals to be on the stack or in a global register */
3888 cfg->disable_vreg_to_lvreg = TRUE;
3890 /* Don't remove unused variables when running inside the debugger since the user
3891 * may still want to view them. */
3892 cfg->disable_deadce_vars = TRUE;
3894 // cfg->opt |= MONO_OPT_SHARED;
3895 cfg->opt &= ~MONO_OPT_DEADCE;
3896 cfg->opt &= ~MONO_OPT_INLINE;
3897 cfg->opt &= ~MONO_OPT_COPYPROP;
3898 cfg->opt &= ~MONO_OPT_CONSPROP;
3899 cfg->opt &= ~MONO_OPT_GSHARED;
3901 /* This is needed for the soft debugger, which doesn't like code after the epilog */
3902 cfg->disable_out_of_line_bblocks = TRUE;
3905 if (mono_using_xdebug) {
3907 * Make each variable use its own register/stack slot and extend
3908 * their liveness to cover the whole method, making them displayable
3909 * in gdb even after they are dead.
3911 cfg->disable_reuse_registers = TRUE;
3912 cfg->disable_reuse_stack_slots = TRUE;
3913 cfg->extend_live_ranges = TRUE;
3914 cfg->compute_precise_live_ranges = TRUE;
3917 mini_gc_init_cfg (cfg);
3919 if (COMPILE_LLVM (cfg)) {
3920 cfg->opt |= MONO_OPT_ABCREM;
3923 if (getenv ("MONO_VERBOSE_METHOD")) {
3924 char *name = getenv ("MONO_VERBOSE_METHOD");
3926 if ((strchr (name, '.') > name) || strchr (name, ':')) {
3927 MonoMethodDesc *desc;
3929 desc = mono_method_desc_new (name, TRUE);
3930 if (mono_method_desc_full_match (desc, cfg->method)) {
3931 cfg->verbose_level = 4;
3933 mono_method_desc_free (desc);
3935 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3936 cfg->verbose_level = 4;
3940 ip = (guint8 *)header->code;
3942 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3944 if (cfg->verbose_level > 0) {
3945 if (COMPILE_LLVM (cfg))
3946 g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE));
3947 else if (cfg->generic_sharing_context)
3948 g_print ("converting shared method %s\n", mono_method_full_name (method_to_compile, TRUE));
3950 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3953 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3954 cfg->opt |= MONO_OPT_SSA;
3957 if ((cfg->method->klass->image != mono_defaults.corlib) || (strstr (cfg->method->klass->name, "StackOverflowException") && strstr (cfg->method->name, ".ctor")) || (strstr (cfg->method->klass->name, "OutOfMemoryException") && strstr (cfg->method->name, ".ctor")))
3958 cfg->globalra = TRUE;
3961 //cfg->globalra = TRUE;
3963 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3964 // cfg->globalra = TRUE;
3967 static int count = 0;
3971 if (getenv ("COUNT2")) {
3972 cfg->globalra = TRUE;
3973 if (count == atoi (getenv ("COUNT2")))
3974 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3975 if (count > atoi (getenv ("COUNT2")))
3976 cfg->globalra = FALSE;
3981 if (header->clauses)
3982 cfg->globalra = FALSE;
3984 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3985 /* The code in the prolog clobbers caller saved registers */
3986 cfg->globalra = FALSE;
3988 // FIXME: Disable globalra in case of tracing/profiling
3990 if (cfg->method->save_lmf)
3991 /* The LMF saving code might clobber caller saved registers */
3992 cfg->globalra = FALSE;
3994 if (header->code_size > 5000)
3996 /* Too large bblocks could overflow the ins positions */
3997 cfg->globalra = FALSE;
3999 cfg->rs = mono_regstate_new ();
4001 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4002 cfg->next_vreg = cfg->rs->next_vreg;
4004 /* FIXME: Fix SSA to handle branches inside bblocks */
4005 if (cfg->opt & MONO_OPT_SSA)
4006 cfg->enable_extended_bblocks = FALSE;
4009 * FIXME: This confuses liveness analysis because variables which are assigned after
4010 * a branch inside a bblock become part of the kill set, even though the assignment
4011 * might not get executed. This causes the optimize_initlocals pass to delete some
4012 * assignments which are needed.
4013 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4016 //cfg->enable_extended_bblocks = TRUE;
4018 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4019 if (mono_compile_is_broken (cfg))
4023 * create MonoInst* which represents arguments and local variables
4025 mono_compile_create_vars (cfg);
4027 /* SSAPRE is not supported on linear IR */
4028 cfg->opt &= ~MONO_OPT_SSAPRE;
4030 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4033 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4035 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4036 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4039 mono_destroy_compile (cfg);
4040 try_generic_shared = FALSE;
4041 goto restart_compile;
4043 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4045 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4046 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4047 /* cfg contains the details of the failure, so let the caller cleanup */
4051 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4052 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4054 if (COMPILE_LLVM (cfg)) {
4057 /* The IR has to be in SSA form for LLVM */
4058 cfg->opt |= MONO_OPT_SSA;
4062 // Allow SSA on the result value
4063 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4065 // Add an explicit return instruction referencing the return value
4066 MONO_INST_NEW (cfg, ins, OP_SETRET);
4067 ins->sreg1 = cfg->ret->dreg;
4069 MONO_ADD_INS (cfg->bb_exit, ins);
4072 cfg->opt &= ~MONO_OPT_LINEARS;
4075 cfg->opt &= ~MONO_OPT_BRANCH;
4078 /* todo: remove code when we have verified that the liveness for try/catch blocks
4082 * Currently, this can't be commented out since exception blocks are not
4083 * processed during liveness analysis.
4084 * It is also needed, because otherwise the local optimization passes would
4085 * delete assignments in cases like this:
4087 * <something which throws>
4089 * This also allows SSA to be run on methods containing exception clauses, since
4090 * SSA will ignore variables marked VOLATILE.
4092 mono_liveness_handle_exception_clauses (cfg);
4094 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4096 if (!COMPILE_LLVM (cfg))
4097 mono_decompose_long_opts (cfg);
4099 /* Should be done before branch opts */
4100 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4101 mono_local_cprop (cfg);
4103 if (cfg->opt & MONO_OPT_BRANCH)
4104 mono_optimize_branches (cfg);
4106 /* This must be done _before_ global reg alloc and _after_ decompose */
4107 mono_handle_global_vregs (cfg);
4108 if (cfg->opt & MONO_OPT_DEADCE)
4109 mono_local_deadce (cfg);
4110 /* Disable this for LLVM to make the IR easier to handle */
4111 if (!COMPILE_LLVM (cfg))
4112 mono_if_conversion (cfg);
4114 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4115 mono_remove_critical_edges (cfg);
4117 /* Depth-first ordering on basic blocks */
4118 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4120 cfg->max_block_num = cfg->num_bblocks;
4123 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4124 if (cfg->num_bblocks != dfn + 1) {
4127 cfg->num_bblocks = dfn + 1;
4129 /* remove unreachable code, because the code in them may be
4130 * inconsistent (access to dead variables for example) */
4131 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4132 bb->flags &= ~BB_VISITED;
4133 compute_reachable (cfg->bb_entry);
4134 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4135 if (bb->flags & BB_EXCEPTION_HANDLER)
4136 compute_reachable (bb);
4137 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4138 if (!(bb->flags & BB_VISITED)) {
4139 if (cfg->verbose_level > 1)
4140 g_print ("found unreachable code in BB%d\n", bb->block_num);
4141 bb->code = bb->last_ins = NULL;
4142 while (bb->out_count)
4143 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4146 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4147 bb->flags &= ~BB_VISITED;
4150 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4152 * we disable some optimizations if there are too many variables
4153 * because JIT time may become too expensive. The actual number needs
4154 * to be tweaked and eventually the non-linear algorithms should be fixed.
4156 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4157 cfg->disable_ssa = TRUE;
4160 if (cfg->opt & MONO_OPT_LOOP) {
4161 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4162 mono_compute_natural_loops (cfg);
4165 /* after method_to_ir */
4167 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4168 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4173 if (header->num_clauses)
4174 cfg->disable_ssa = TRUE;
4177 //#define DEBUGSSA "logic_run"
4178 #define DEBUGSSA_CLASS "Tests"
4181 if (!cfg->disable_ssa) {
4182 mono_local_cprop (cfg);
4185 mono_ssa_compute (cfg);
4189 if (cfg->opt & MONO_OPT_SSA) {
4190 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4192 mono_ssa_compute (cfg);
4195 if (cfg->verbose_level >= 2) {
4202 /* after SSA translation */
4204 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4205 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4209 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4210 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4212 mono_ssa_cprop (cfg);
4218 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4219 //mono_ssa_strength_reduction (cfg);
4221 if (cfg->opt & MONO_OPT_SSAPRE) {
4222 mono_perform_ssapre (cfg);
4223 //mono_local_cprop (cfg);
4226 if (cfg->opt & MONO_OPT_DEADCE) {
4227 mono_ssa_deadce (cfg);
4228 deadce_has_run = TRUE;
4231 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4232 mono_perform_abc_removal (cfg);
4234 mono_ssa_remove (cfg);
4235 mono_local_cprop (cfg);
4236 mono_handle_global_vregs (cfg);
4237 if (cfg->opt & MONO_OPT_DEADCE)
4238 mono_local_deadce (cfg);
4240 if (cfg->opt & MONO_OPT_BRANCH) {
4243 mono_optimize_branches (cfg);
4245 /* Have to recompute cfg->bblocks and bb->dfn */
4246 if (cfg->globalra) {
4247 mono_remove_critical_edges (cfg);
4249 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4252 /* Depth-first ordering on basic blocks */
4253 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4256 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4257 cfg->num_bblocks = dfn + 1;
4263 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4264 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4265 if (cfg->opt & MONO_OPT_ABCREM)
4266 mono_perform_abc_removal (cfg);
4269 /* after SSA removal */
4271 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4272 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4276 #ifdef MONO_ARCH_SOFT_FLOAT
4277 if (!COMPILE_LLVM (cfg))
4278 mono_decompose_soft_float (cfg);
4280 if (!COMPILE_LLVM (cfg))
4281 mono_decompose_vtype_opts (cfg);
4282 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4283 mono_decompose_array_access_opts (cfg);
4286 #ifndef MONO_ARCH_GOT_REG
4291 g_assert (cfg->got_var_allocated);
4294 * Allways allocate the GOT var to a register, because keeping it
4295 * in memory will increase the number of live temporaries in some
4296 * code created by inssel.brg, leading to the well known spills+
4297 * branches problem. Testcase: mcs crash in
4298 * System.MonoCustomAttrs:GetCustomAttributes.
4300 #ifdef MONO_ARCH_GOT_REG
4301 got_reg = MONO_ARCH_GOT_REG;
4303 regs = mono_arch_get_global_int_regs (cfg);
4305 got_reg = GPOINTER_TO_INT (regs->data);
4308 cfg->got_var->opcode = OP_REGVAR;
4309 cfg->got_var->dreg = got_reg;
4310 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4314 * Have to call this again to process variables added since the first call.
4316 mono_liveness_handle_exception_clauses (cfg);
4318 if (cfg->globalra) {
4321 /* Have to do this before regalloc since it can create vregs */
4322 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4323 mono_arch_lowering_pass (cfg, bb);
4325 mono_global_regalloc (cfg);
4328 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4329 GList *vars, *regs, *l;
4331 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4332 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4333 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4334 mono_analyze_liveness (cfg);
4336 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4337 regs = mono_arch_get_global_int_regs (cfg);
4338 /* Remove the reg reserved for holding the GOT address */
4340 for (l = regs; l; l = l->next) {
4341 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4342 regs = g_list_delete_link (regs, l);
4347 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4351 //mono_print_code (cfg, "");
4355 /* variables are allocated after decompose, since decompose could create temps */
4356 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4357 mono_arch_allocate_vars (cfg);
4358 if (cfg->exception_type)
4364 gboolean need_local_opts;
4366 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4367 mono_spill_global_vars (cfg, &need_local_opts);
4369 if (need_local_opts || cfg->compile_aot) {
4370 /* To optimize code created by spill_global_vars */
4371 mono_local_cprop (cfg);
4372 if (cfg->opt & MONO_OPT_DEADCE)
4373 mono_local_deadce (cfg);
4377 /* Add branches between non-consecutive bblocks */
4378 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4379 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4380 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4381 /* we are careful when inverting, since bugs like #59580
4382 * could show up when dealing with NaNs.
4384 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4385 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4386 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4387 bb->last_ins->inst_false_bb = tmp;
4389 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4391 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4392 inst->opcode = OP_BR;
4393 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4394 mono_bblock_add_inst (bb, inst);
4399 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4400 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4401 MonoInst *tree = bb->code;
4402 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4405 for (; tree; tree = tree->next) {
4406 mono_print_ins_index (-1, tree);
4412 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4413 bb->max_vreg = cfg->next_vreg;
4417 if (COMPILE_LLVM (cfg)) {
4421 /* The IR has to be in SSA form for LLVM */
4422 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4423 cfg->exception_message = g_strdup ("SSA disabled.");
4424 cfg->disable_llvm = TRUE;
4427 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4428 mono_decompose_array_access_opts (cfg);
4430 if (!cfg->disable_llvm)
4431 mono_llvm_emit_method (cfg);
4432 if (cfg->disable_llvm) {
4433 if (cfg->verbose_level >= 1) {
4434 //nm = mono_method_full_name (cfg->method, TRUE);
4435 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4438 InterlockedIncrement (&methods_without_llvm);
4439 mono_destroy_compile (cfg);
4441 goto restart_compile;
4444 InterlockedIncrement (&methods_with_llvm);
4446 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4447 nm = mono_method_full_name (cfg->method, TRUE);
4448 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4450 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4458 if (cfg->verbose_level >= 2) {
4459 char *id = mono_method_full_name (cfg->method, FALSE);
4460 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4464 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4466 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4467 if (cfg->extend_live_ranges) {
4468 /* Extend live ranges to cover the whole method */
4469 for (i = 0; i < cfg->num_varinfo; ++i)
4470 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4474 mono_save_xdebug_info (cfg);
4476 mini_gc_create_gc_map (cfg);
4478 mono_save_seq_point_info (cfg);
4480 if (!cfg->compile_aot) {
4481 mono_domain_lock (cfg->domain);
4482 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4484 if (cfg->method->dynamic)
4485 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4486 mono_domain_unlock (cfg->domain);
4489 /* collect statistics */
4490 mono_perfcounters->jit_methods++;
4491 mono_perfcounters->jit_bytes += header->code_size;
4492 mono_jit_stats.allocated_code_size += cfg->code_len;
4493 code_size_ratio = cfg->code_len;
4494 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4495 mono_jit_stats.biggest_method_size = code_size_ratio;
4496 g_free (mono_jit_stats.biggest_method);
4497 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4499 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4500 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4501 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4502 g_free (mono_jit_stats.max_ratio_method);
4503 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4505 mono_jit_stats.native_code_size += cfg->code_len;
4507 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4508 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4516 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4518 g_assert_not_reached ();
4522 #endif /* DISABLE_JIT */
4525 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4527 static gboolean inited = FALSE;
4528 static int lookups = 0;
4529 static int failed_lookups = 0;
4532 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4533 if (ji && !ji->has_generic_jit_info)
4537 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4538 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4550 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4553 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4555 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4560 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4562 return mono_domain_lookup_shared_generic (domain, method);
4566 lookup_method (MonoDomain *domain, MonoMethod *method)
4570 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4571 mono_domain_jit_code_hash_lock (domain);
4572 info = lookup_method_inner (domain, method);
4573 mono_domain_jit_code_hash_unlock (domain);
4574 mono_loader_unlock ();
4580 static FILE* perf_map_file = NULL;
4583 mono_enable_jit_map (void)
4585 if (!perf_map_file) {
4587 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4589 perf_map_file = fopen (name, "w");
4594 mono_emit_jit_tramp (void *start, int size, const char *desc)
4597 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4601 mono_emit_jit_map (MonoJitInfo *jinfo)
4603 if (perf_map_file) {
4604 char *name = mono_method_full_name (jinfo->method, TRUE);
4605 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
4612 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4615 gpointer code = NULL;
4616 MonoJitInfo *jinfo, *info;
4618 MonoException *ex = NULL;
4619 guint32 prof_options;
4621 #ifdef MONO_USE_AOT_COMPILER
4622 if (opt & MONO_OPT_AOT) {
4623 MonoDomain *domain = mono_domain_get ();
4625 mono_class_init (method->klass);
4627 if ((code = mono_aot_get_method (domain, method))) {
4628 vtable = mono_class_vtable (domain, method->klass);
4630 mono_runtime_class_init (vtable);
4637 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4638 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4640 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4642 if (!piinfo->addr) {
4643 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4644 piinfo->addr = mono_lookup_internal_call (method);
4645 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4647 g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono in modules loaded from byte arrays. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
4649 g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono on this platform. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
4652 mono_lookup_pinvoke_call (method, NULL, NULL);
4654 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4655 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4657 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4658 //mono_debug_add_wrapper (method, nm);
4659 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4660 const char *name = method->name;
4661 char *full_name, *msg;
4664 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4665 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4666 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4669 * We need to make sure this wrapper
4670 * is compiled because it might end up
4671 * in an (M)RGCTX if generic sharing
4672 * is enabled, and would be called
4673 * indirectly. If it were a
4674 * trampoline we'd try to patch that
4675 * indirect call, which is not
4678 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4679 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4680 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
4681 return mono_create_delegate_trampoline (method->klass);
4683 nm = mono_marshal_get_delegate_invoke (method, NULL);
4684 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4686 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4687 nm = mono_marshal_get_delegate_begin_invoke (method);
4688 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4689 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4690 nm = mono_marshal_get_delegate_end_invoke (method);
4691 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4695 full_name = mono_method_full_name (method, TRUE);
4696 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
4697 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
4703 if (mono_aot_only) {
4704 char *fullname = mono_method_full_name (method, TRUE);
4705 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
4707 *jit_ex = mono_get_exception_execution_engine (msg);
4714 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
4716 switch (cfg->exception_type) {
4717 case MONO_EXCEPTION_NONE:
4719 case MONO_EXCEPTION_TYPE_LOAD:
4720 case MONO_EXCEPTION_MISSING_FIELD:
4721 case MONO_EXCEPTION_MISSING_METHOD:
4722 case MONO_EXCEPTION_FILE_NOT_FOUND:
4723 case MONO_EXCEPTION_BAD_IMAGE: {
4724 /* Throw a type load exception if needed */
4725 MonoLoaderError *error = mono_loader_get_last_error ();
4728 ex = mono_loader_error_prepare_exception (error);
4730 if (cfg->exception_ptr) {
4731 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4733 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4734 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4735 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4736 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4737 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4738 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4739 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4740 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
4741 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4742 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4744 g_assert_not_reached ();
4749 case MONO_EXCEPTION_INVALID_PROGRAM:
4750 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4752 case MONO_EXCEPTION_UNVERIFIABLE_IL:
4753 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4755 case MONO_EXCEPTION_METHOD_ACCESS:
4756 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4758 case MONO_EXCEPTION_FIELD_ACCESS:
4759 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4761 /* this can only be set if the security manager is active */
4762 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
4763 MonoSecurityManager* secman = mono_security_manager_get_methods ();
4764 MonoObject *exc = NULL;
4767 args [0] = &cfg->exception_data;
4769 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
4771 ex = (MonoException*)exc;
4774 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4775 MonoException *exp = cfg->exception_ptr;
4776 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4782 g_assert_not_reached ();
4786 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
4787 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
4789 mono_destroy_compile (cfg);
4795 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
4796 mono_domain_lock (target_domain);
4798 /* Check if some other thread already did the job. In this case, we can
4799 discard the code this thread generated. */
4801 mono_domain_jit_code_hash_lock (target_domain);
4803 info = lookup_method_inner (target_domain, method);
4805 /* We can't use a domain specific method in another domain */
4806 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4807 code = info->code_start;
4808 // printf("Discarding code for method %s\n", method->name);
4813 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4814 mono_domain_jit_code_hash_unlock (target_domain);
4815 code = cfg->native_code;
4817 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4818 mono_stats.generics_shared_methods++;
4820 mono_domain_jit_code_hash_unlock (target_domain);
4823 jinfo = cfg->jit_info;
4825 prof_options = cfg->prof_options;
4827 mono_destroy_compile (cfg);
4830 if (domain_jit_info (target_domain)->jump_target_hash) {
4831 MonoJumpInfo patch_info;
4833 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4835 patch_info.next = NULL;
4836 patch_info.ip.i = 0;
4837 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4838 patch_info.data.method = method;
4839 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4841 for (tmp = list; tmp; tmp = tmp->next)
4842 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4843 g_slist_free (list);
4846 mono_emit_jit_map (jinfo);
4848 mono_domain_unlock (target_domain);
4849 mono_loader_unlock ();
4851 vtable = mono_class_vtable (target_domain, method->klass);
4853 ex = mono_class_get_exception_for_failure (method->klass);
4859 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
4860 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
4861 if (mono_marshal_method_from_wrapper (method)) {
4862 /* Native func wrappers have no method */
4863 /* The profiler doesn't know about wrappers, so pass the original icall method */
4864 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
4867 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4871 ex = mono_runtime_class_init_full (vtable, FALSE);
4880 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
4882 MonoDomain *target_domain, *domain = mono_domain_get ();
4885 MonoJitICallInfo *callinfo = NULL;
4888 * ICALL wrappers are handled specially, since there is only one copy of them
4889 * shared by all appdomains.
4891 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4892 const char *icall_name;
4894 icall_name = method->name + strlen ("__icall_wrapper_");
4895 g_assert (icall_name);
4896 callinfo = mono_find_jit_icall_by_name (icall_name);
4897 g_assert (callinfo);
4899 /* Must be domain neutral since there is only one copy */
4900 opt |= MONO_OPT_SHARED;
4903 if (opt & MONO_OPT_SHARED)
4904 target_domain = mono_get_root_domain ();
4906 target_domain = domain;
4908 info = lookup_method (target_domain, method);
4910 /* We can't use a domain specific method in another domain */
4911 if (! ((domain != target_domain) && !info->domain_neutral)) {
4914 mono_jit_stats.methods_lookups++;
4915 vtable = mono_class_vtable (domain, method->klass);
4917 mono_runtime_class_init (vtable);
4918 return mono_create_ftnptr (target_domain, info->code_start);
4922 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
4926 p = mono_create_ftnptr (target_domain, code);
4930 if (!callinfo->wrapper) {
4931 callinfo->wrapper = p;
4932 mono_register_jit_icall_wrapper (callinfo, p);
4933 mono_debug_add_icall_wrapper (method, callinfo);
4942 mono_jit_compile_method (MonoMethod *method)
4944 MonoException *ex = NULL;
4947 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
4950 mono_raise_exception (ex);
4956 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4958 invalidated_delegate_trampoline (char *desc)
4960 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4961 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4967 * mono_jit_free_method:
4969 * Free all memory allocated by the JIT for METHOD.
4972 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4974 MonoJitDynamicMethodInfo *ji;
4975 gboolean destroy = TRUE;
4977 g_assert (method->dynamic);
4979 mono_domain_lock (domain);
4980 ji = mono_dynamic_code_hash_lookup (domain, method);
4981 mono_domain_unlock (domain);
4985 mono_domain_lock (domain);
4986 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4987 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4988 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4989 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
4990 mono_domain_unlock (domain);
4992 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4993 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4995 * Instead of freeing the code, change it to call an error routine
4996 * so people can fix their code.
4998 char *type = mono_type_full_name (&method->klass->byval_arg);
4999 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5002 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5008 * This needs to be done before freeing code_mp, since the code address is the
5009 * key in the table, so if we free the code_mp first, another thread can grab the
5010 * same code address and replace our entry in the table.
5012 mono_jit_info_table_remove (domain, ji->ji);
5015 mono_code_manager_destroy (ji->code_mp);
5020 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5022 MonoDomain *target_domain;
5025 if (default_opt & MONO_OPT_SHARED)
5026 target_domain = mono_get_root_domain ();
5028 target_domain = domain;
5030 info = lookup_method (target_domain, method);
5032 /* We can't use a domain specific method in another domain */
5033 if (! ((domain != target_domain) && !info->domain_neutral)) {
5034 mono_jit_stats.methods_lookups++;
5037 return info->code_start;
5047 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5049 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5054 gpointer compiled_method;
5055 gpointer runtime_invoke;
5057 MonoDynCallInfo *dyn_call_info;
5058 MonoClass *ret_box_class;
5059 } RuntimeInvokeInfo;
5062 * mono_jit_runtime_invoke:
5063 * @method: the method to invoke
5064 * @obj: this pointer
5065 * @params: array of parameter values.
5066 * @exc: used to catch exceptions objects
5069 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5072 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5073 MonoDomain *domain = mono_domain_get ();
5074 MonoJitDomainInfo *domain_info;
5075 RuntimeInvokeInfo *info, *info2;
5077 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5078 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5082 domain_info = domain_jit_info (domain);
5084 mono_domain_lock (domain);
5085 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5086 mono_domain_unlock (domain);
5089 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5091 * This might be redundant since mono_class_vtable () already does this,
5092 * but keep it just in case for moonlight.
5094 mono_class_setup_vtable (method->klass);
5095 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5097 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5099 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5104 info = g_new0 (RuntimeInvokeInfo, 1);
5106 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5107 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5108 g_assert (info->vtable);
5110 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5111 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5113 * Array Get/Set/Address methods. The JIT implements them using inline code
5114 * inside the runtime invoke wrappers, so no need to compile them.
5116 info->compiled_method = NULL;
5118 MonoException *jit_ex = NULL;
5120 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5121 if (!info->compiled_method) {
5125 *exc = (MonoObject*)jit_ex;
5128 mono_raise_exception (jit_ex);
5132 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5133 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5137 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5138 * in full-aot mode, so we use a slower, but more generic wrapper if
5139 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5141 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5142 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5143 MonoMethodSignature *sig = mono_method_signature (method);
5144 gboolean supported = TRUE;
5147 if (method->string_ctor)
5148 sig = mono_marshal_get_string_ctor_signature (method);
5150 for (i = 0; i < sig->param_count; ++i) {
5151 MonoType *t = sig->params [i];
5153 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5157 if (method->klass->contextbound || !info->compiled_method)
5161 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5163 if (info->dyn_call_info) {
5164 switch (sig->ret->type) {
5165 case MONO_TYPE_VOID:
5177 case MONO_TYPE_BOOLEAN:
5178 case MONO_TYPE_CHAR:
5181 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5184 info->ret_box_class = mono_defaults.int_class;
5186 case MONO_TYPE_STRING:
5187 case MONO_TYPE_CLASS:
5188 case MONO_TYPE_ARRAY:
5189 case MONO_TYPE_SZARRAY:
5190 case MONO_TYPE_OBJECT:
5192 case MONO_TYPE_GENERICINST:
5193 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5194 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5196 case MONO_TYPE_VALUETYPE:
5197 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5200 g_assert_not_reached ();
5207 if (!info->dyn_call_info)
5208 info->runtime_invoke = mono_jit_compile_method (invoke);
5210 mono_domain_lock (domain);
5211 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5216 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5218 mono_domain_unlock (domain);
5221 runtime_invoke = info->runtime_invoke;
5224 * We need this here because mono_marshal_get_runtime_invoke can place
5225 * the helper method in System.Object and not the target class.
5228 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5232 mono_runtime_class_init (info->vtable);
5235 /* The wrappers expect this to be initialized to NULL */
5239 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5240 if (info->dyn_call_info) {
5241 MonoMethodSignature *sig = mono_method_signature (method);
5243 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5246 guint8 retval [128];
5248 if (!dyn_runtime_invoke) {
5249 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5250 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5253 /* Convert the arguments to the format expected by start_dyn_call () */
5254 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5257 args [pindex ++] = &obj;
5258 for (i = 0; i < sig->param_count; ++i) {
5259 MonoType *t = sig->params [i];
5262 args [pindex ++] = ¶ms [i];
5263 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5264 args [pindex ++] = ¶ms [i];
5266 args [pindex ++] = params [i];
5270 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5272 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5274 dyn_runtime_invoke (buf, exc, info->compiled_method);
5276 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5278 if (info->ret_box_class)
5279 return mono_value_box (domain, info->ret_box_class, retval);
5281 return *(MonoObject**)retval;
5285 return runtime_invoke (obj, params, exc, info->compiled_method);
5289 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5291 MonoException *exc = NULL;
5293 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5298 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5300 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5301 if (mono_arch_is_int_overflow (ctx, info))
5302 exc = mono_get_exception_arithmetic ();
5304 exc = mono_get_exception_divide_by_zero ();
5306 exc = mono_get_exception_divide_by_zero ();
5310 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5313 mono_handle_native_sigsegv (SIGSEGV, ctx);
5316 mono_arch_handle_exception (ctx, exc, FALSE);
5320 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5325 exc = mono_get_exception_execution_engine ("SIGILL");
5327 mono_arch_handle_exception (ctx, exc, FALSE);
5330 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5331 #define HAVE_SIG_INFO
5335 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5338 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5342 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5343 if (mono_arch_is_single_step_event (info, ctx)) {
5344 mono_debugger_agent_single_step_event (ctx);
5346 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5347 mono_debugger_agent_breakpoint_hit (ctx);
5352 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5353 if (mono_aot_is_pagefault (info->si_addr)) {
5354 mono_aot_handle_pagefault (info->si_addr);
5359 /* The thread might no be registered with the runtime */
5360 if (!mono_domain_get () || !jit_tls) {
5361 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5363 mono_handle_native_sigsegv (SIGSEGV, ctx);
5366 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5368 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5369 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5372 /* The hard-guard page has been hit: there is not much we can do anymore
5373 * Print a hopefully clear message and abort.
5375 if (jit_tls->stack_size &&
5376 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
5378 /* we don't do much now, but we can warn the user with a useful message */
5379 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
5380 if (ji && ji->method)
5381 method = mono_method_full_name (ji->method, TRUE);
5383 method = "Unmanaged";
5384 fprintf (stderr, "At %s\n", method);
5387 /* The original handler might not like that it is executed on an altstack... */
5388 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5391 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5396 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5399 mono_handle_native_sigsegv (SIGSEGV, ctx);
5402 mono_arch_handle_exception (ctx, NULL, FALSE);
5407 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5412 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5414 mono_arch_handle_exception (ctx, exc, FALSE);
5417 /* mono_jit_create_remoting_trampoline:
5418 * @method: pointer to the method info
5420 * Creates a trampoline which calls the remoting functions. This
5421 * is used in the vtable of transparent proxies.
5423 * Returns: a pointer to the newly created code
5426 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5429 guint8 *addr = NULL;
5431 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5432 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5436 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5437 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5438 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5439 addr = mono_compile_method (nm);
5441 addr = mono_compile_method (method);
5443 return mono_get_addr_from_ftnptr (addr);
5446 static gpointer *vtable_trampolines;
5447 static int vtable_trampolines_size;
5450 mini_get_vtable_trampoline (int slot_index)
5452 int index = slot_index + MONO_IMT_SIZE;
5454 g_assert (slot_index >= - MONO_IMT_SIZE);
5455 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
5457 if (!vtable_trampolines || index >= vtable_trampolines_size) {
5461 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
5462 while (new_size <= index)
5464 new_table = g_new0 (gpointer, new_size);
5466 if (vtable_trampolines)
5467 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
5468 mono_memory_barrier ();
5469 vtable_trampolines = new_table;
5470 vtable_trampolines_size = new_size;
5475 if (!vtable_trampolines [index])
5476 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
5477 return vtable_trampolines [index];
5481 mini_get_imt_trampoline (int slot_index)
5483 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
5487 mini_parse_debug_options (void)
5489 char *options = getenv ("MONO_DEBUG");
5490 gchar **args, **ptr;
5495 args = g_strsplit (options, ",", -1);
5497 for (ptr = args; ptr && *ptr; ptr++) {
5498 const char *arg = *ptr;
5500 if (!strcmp (arg, "handle-sigint"))
5501 debug_options.handle_sigint = TRUE;
5502 else if (!strcmp (arg, "keep-delegates"))
5503 debug_options.keep_delegates = TRUE;
5504 else if (!strcmp (arg, "collect-pagefault-stats"))
5505 debug_options.collect_pagefault_stats = TRUE;
5506 else if (!strcmp (arg, "break-on-unverified"))
5507 debug_options.break_on_unverified = TRUE;
5508 else if (!strcmp (arg, "no-gdb-backtrace"))
5509 debug_options.no_gdb_backtrace = TRUE;
5510 else if (!strcmp (arg, "suspend-on-sigsegv"))
5511 debug_options.suspend_on_sigsegv = TRUE;
5512 else if (!strcmp (arg, "dont-free-domains"))
5513 mono_dont_free_domains = TRUE;
5514 else if (!strcmp (arg, "dyn-runtime-invoke"))
5515 debug_options.dyn_runtime_invoke = TRUE;
5516 else if (!strcmp (arg, "gdb"))
5517 debug_options.gdb = TRUE;
5518 else if (!strcmp (arg, "explicit-null-checks"))
5519 debug_options.explicit_null_checks = TRUE;
5520 else if (!strcmp (arg, "gen-seq-points"))
5521 debug_options.gen_seq_points = TRUE;
5522 else if (!strcmp (arg, "init-stacks"))
5523 debug_options.init_stacks = TRUE;
5525 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5526 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
5535 mini_get_debug_options (void)
5537 return &debug_options;
5541 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5546 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5552 #elif defined(__ppc64__) || defined(__powerpc64__)
5555 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
5568 mini_get_addr_from_ftnptr (gpointer descr)
5570 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
5571 return *(gpointer*)descr;
5577 static void runtime_invoke_info_free (gpointer value);
5580 mini_create_jit_domain_info (MonoDomain *domain)
5582 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5584 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5585 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5586 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5587 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5588 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5589 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
5590 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
5591 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5593 domain->runtime_info = info;
5597 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5599 g_slist_free (value);
5603 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5605 MonoJitDynamicMethodInfo *di = value;
5606 mono_code_manager_destroy (di->code_mp);
5611 runtime_invoke_info_free (gpointer value)
5613 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
5615 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5616 if (info->dyn_call_info)
5617 mono_arch_dyn_call_free (info->dyn_call_info);
5623 mini_free_jit_domain_info (MonoDomain *domain)
5625 MonoJitDomainInfo *info = domain_jit_info (domain);
5627 if (info->jump_target_hash) {
5628 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
5629 g_hash_table_destroy (info->jump_target_hash);
5631 if (info->jump_target_got_slot_hash) {
5632 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
5633 g_hash_table_destroy (info->jump_target_got_slot_hash);
5635 if (info->dynamic_code_hash) {
5636 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
5637 g_hash_table_destroy (info->dynamic_code_hash);
5639 if (info->method_code_hash)
5640 g_hash_table_destroy (info->method_code_hash);
5641 g_hash_table_destroy (info->class_init_trampoline_hash);
5642 g_hash_table_destroy (info->jump_trampoline_hash);
5643 g_hash_table_destroy (info->jit_trampoline_hash);
5644 g_hash_table_destroy (info->delegate_trampoline_hash);
5645 if (info->static_rgctx_trampoline_hash)
5646 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
5647 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
5648 g_hash_table_destroy (info->runtime_invoke_hash);
5649 g_hash_table_destroy (info->seq_points);
5650 g_hash_table_destroy (info->arch_seq_points);
5652 if (info->agent_info)
5653 mono_debugger_agent_free_domain_info (domain);
5655 g_free (domain->runtime_info);
5656 domain->runtime_info = NULL;
5660 mini_init (const char *filename, const char *runtime_version)
5663 MonoRuntimeCallbacks callbacks;
5665 MONO_PROBE_VES_INIT_BEGIN ();
5668 if (access ("/proc/self/maps", F_OK) != 0) {
5669 g_print ("Mono requires /proc to be mounted.\n");
5674 /* Happens when using the embedding interface */
5675 if (!default_opt_set)
5676 default_opt = mono_parse_default_optimizations (NULL);
5678 InitializeCriticalSection (&jit_mutex);
5680 #ifdef MONO_DEBUGGER_SUPPORTED
5681 if (mini_debug_running_inside_mdb ())
5682 mini_debugger_init ();
5685 #ifdef MONO_ARCH_HAVE_TLS_GET
5686 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
5688 mono_runtime_set_has_tls_get (FALSE);
5691 if (!global_codeman)
5692 global_codeman = mono_code_manager_new ();
5693 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
5695 memset (&callbacks, 0, sizeof (callbacks));
5696 callbacks.create_ftnptr = mini_create_ftnptr;
5697 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
5698 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
5700 #ifdef MONO_ARCH_HAVE_IMT
5702 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
5703 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
5707 mono_install_callbacks (&callbacks);
5709 mono_arch_cpu_init ();
5713 mono_unwind_init ();
5717 if (getenv ("MONO_DEBUG") != NULL)
5718 mini_parse_debug_options ();
5720 if (getenv ("MONO_XDEBUG")) {
5721 char *xdebug_opts = getenv ("MONO_XDEBUG");
5722 mono_xdebug_init (xdebug_opts);
5723 /* So methods for multiple domains don't have the same address */
5724 mono_dont_free_domains = TRUE;
5725 mono_using_xdebug = TRUE;
5726 } else if (mini_get_debug_options ()->gdb) {
5727 mono_xdebug_init ((char*)"gdb");
5728 mono_dont_free_domains = TRUE;
5729 mono_using_xdebug = TRUE;
5733 if (!mono_llvm_load (NULL)) {
5734 mono_use_llvm = FALSE;
5735 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
5741 mono_trampolines_init ();
5743 if (!g_thread_supported ())
5744 g_thread_init (NULL);
5746 mono_jit_tls_id = TlsAlloc ();
5747 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
5749 if (default_opt & MONO_OPT_AOT)
5752 mono_debugger_agent_init ();
5754 #ifdef MONO_ARCH_GSHARED_SUPPORTED
5755 mono_set_generic_sharing_supported (TRUE);
5758 #ifndef MONO_CROSS_COMPILE
5759 mono_runtime_install_handlers ();
5761 mono_threads_install_cleanup (mini_thread_cleanup);
5763 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
5764 // This is experimental code so provide an env var to switch it off
5765 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5766 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5768 check_for_pending_exc = FALSE;
5769 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5773 #define JIT_TRAMPOLINES_WORK
5774 #ifdef JIT_TRAMPOLINES_WORK
5775 mono_install_compile_method (mono_jit_compile_method);
5776 mono_install_free_method (mono_jit_free_method);
5777 mono_install_trampoline (mono_create_jit_trampoline);
5778 mono_install_jump_trampoline (mono_create_jump_trampoline);
5779 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5780 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5781 mono_install_create_domain_hook (mini_create_jit_domain_info);
5782 mono_install_free_domain_hook (mini_free_jit_domain_info);
5784 #define JIT_INVOKE_WORKS
5785 #ifdef JIT_INVOKE_WORKS
5786 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5788 mono_install_stack_walk (mono_jit_walk_stack);
5789 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5790 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5791 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5793 if (debug_options.collect_pagefault_stats) {
5794 mono_aot_set_make_unreadable (TRUE);
5797 if (runtime_version)
5798 domain = mono_init_version (filename, runtime_version);
5800 domain = mono_init_from_assembly (filename, filename);
5802 if (mono_aot_only) {
5803 /* This helps catch code allocation requests */
5804 mono_code_manager_set_read_only (domain->code_mp);
5807 #ifdef MONO_ARCH_HAVE_IMT
5810 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
5812 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5816 /* This must come after mono_init () in the aot-only case */
5817 mono_exceptions_init ();
5818 mono_install_handler (mono_get_throw_exception ());
5822 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5823 ves_icall_get_frame_info);
5824 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5825 ves_icall_get_trace);
5826 mono_add_internal_call ("System.Exception::get_trace",
5827 ves_icall_System_Exception_get_trace);
5828 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5829 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5830 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5831 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5832 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5833 mono_runtime_install_handlers);
5836 create_helper_signature ();
5838 #define JIT_CALLS_WORK
5839 #ifdef JIT_CALLS_WORK
5840 /* Needs to be called here since register_jit_icall depends on it */
5841 mono_marshal_init ();
5843 mono_arch_register_lowlevel_calls ();
5844 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5845 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5846 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5847 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5848 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5849 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5850 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5852 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5853 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5854 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5855 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5858 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5859 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5860 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5861 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5862 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5865 * NOTE, NOTE, NOTE, NOTE:
5866 * when adding emulation for some opcodes, remember to also add a dummy
5867 * rule to the burg files, because we need the arity information to be correct.
5869 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5870 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5871 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5872 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5873 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5874 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5875 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5876 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5879 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5880 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5881 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5882 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5885 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5886 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5887 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5888 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5889 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5890 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5891 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5892 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5893 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5896 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5897 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5898 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5901 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
5902 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5903 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5904 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5905 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5908 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5909 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5912 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5913 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5914 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5915 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5917 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5918 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5920 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5921 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5922 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5924 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5925 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5927 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5928 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5930 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5931 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5933 #ifdef MONO_ARCH_EMULATE_FREM
5934 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5937 #ifdef MONO_ARCH_SOFT_FLOAT
5938 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5939 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5940 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5941 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5942 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5943 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5944 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5945 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5946 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5947 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5948 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5949 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5950 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5951 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5952 #if SIZEOF_VOID_P == 4
5953 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
5956 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5957 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5958 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5959 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5960 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5961 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5962 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5963 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5964 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5965 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5967 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5968 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5969 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5970 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5971 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5973 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5974 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5975 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5976 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
5979 #ifdef COMPRESSED_INTERFACE_BITMAP
5980 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
5983 #if SIZEOF_REGISTER == 4
5984 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5987 /* other jit icalls */
5988 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5989 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5990 "ptr ptr ptr", FALSE);
5991 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5992 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5993 "ptr ptr ptr ptr", FALSE);
5994 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5995 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5996 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5997 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5998 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5999 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6000 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6001 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6002 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6003 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6004 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6005 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6006 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6007 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6008 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6009 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6010 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6011 register_icall (mono_break, "mono_break", NULL, TRUE);
6012 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6013 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6014 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6015 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6016 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6017 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6018 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6019 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6021 #ifdef HAVE_WRITE_BARRIERS
6022 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6027 mono_generic_sharing_init ();
6029 #ifdef MONO_ARCH_SIMD_INTRINSICS
6030 mono_simd_intrinsics_init ();
6033 #if MONO_SUPPORT_TASKLETS
6034 mono_tasklets_init ();
6037 if (mono_compile_aot)
6039 * Avoid running managed code when AOT compiling, since the platform
6040 * might only support aot-only execution.
6042 mono_runtime_set_no_exec (TRUE);
6044 #define JIT_RUNTIME_WORKS
6045 #ifdef JIT_RUNTIME_WORKS
6046 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6047 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6048 mono_thread_attach (domain);
6051 mono_profiler_runtime_initialized ();
6053 MONO_PROBE_VES_INIT_END ();
6058 MonoJitStats mono_jit_stats = {0};
6061 print_jit_stats (void)
6063 if (mono_jit_stats.enabled) {
6064 g_print ("Mono Jit statistics\n");
6065 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
6066 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
6067 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6068 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
6069 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6070 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6071 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6072 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6073 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6074 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6075 mono_jit_stats.max_ratio_method);
6076 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6077 mono_jit_stats.biggest_method);
6078 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6079 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6080 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6081 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6082 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6083 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6085 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6086 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6087 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6088 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6089 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6090 g_print ("Methods: %ld\n", mono_stats.method_count);
6091 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6092 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6093 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6095 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6096 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6097 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6099 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6100 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6101 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6103 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6104 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6105 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6107 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6108 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6109 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6110 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6111 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6112 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6113 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6114 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6116 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6117 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6118 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6120 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6121 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6122 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6123 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6124 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6125 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6126 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6127 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6128 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6129 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6130 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6131 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6134 g_free (mono_jit_stats.max_ratio_method);
6135 mono_jit_stats.max_ratio_method = NULL;
6136 g_free (mono_jit_stats.biggest_method);
6137 mono_jit_stats.biggest_method = NULL;
6142 mini_cleanup (MonoDomain *domain)
6144 mono_runtime_shutdown_stat_profiler ();
6147 cominterop_release_all_rcws ();
6150 #ifndef MONO_CROSS_COMPILE
6151 mono_runtime_shutdown ();
6153 * mono_runtime_cleanup() and mono_domain_finalize () need to
6154 * be called early since they need the execution engine still
6155 * fully working (mono_domain_finalize may invoke managed finalizers
6156 * and mono_runtime_cleanup will wait for other threads to finish).
6158 mono_domain_finalize (domain, 2000);
6161 /* This accesses metadata so needs to be called before runtime shutdown */
6164 mono_profiler_shutdown ();
6166 #ifndef MONO_CROSS_COMPILE
6167 mono_runtime_cleanup (domain);
6170 mono_icall_cleanup ();
6172 mono_runtime_cleanup_handlers ();
6174 mono_domain_free (domain, TRUE);
6176 mono_debugger_cleanup ();
6180 mono_llvm_cleanup ();
6183 mono_trampolines_cleanup ();
6185 mono_unwind_cleanup ();
6187 if (!mono_dont_free_global_codeman)
6188 mono_code_manager_destroy (global_codeman);
6189 g_hash_table_destroy (jit_icall_name_hash);
6190 g_free (emul_opcode_map);
6191 g_free (emul_opcode_opcodes);
6193 mono_arch_cleanup ();
6197 mono_trace_cleanup ();
6199 mono_counters_dump (-1, stdout);
6201 if (mono_inject_async_exc_method)
6202 mono_method_desc_free (mono_inject_async_exc_method);
6204 TlsFree(mono_jit_tls_id);
6206 DeleteCriticalSection (&jit_mutex);
6208 DeleteCriticalSection (&mono_delegate_section);
6212 mono_set_defaults (int verbose_level, guint32 opts)
6214 mini_verbose = verbose_level;
6216 default_opt_set = TRUE;
6220 mono_disable_optimizations (guint32 opts)
6222 default_opt &= ~opts;
6226 * mono_get_runtime_build_info:
6228 * Return the runtime version + build date in string format.
6229 * The returned string is owned by the caller.
6232 mono_get_runtime_build_info (void)
6234 if (mono_build_date)
6235 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6237 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6241 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6243 GHashTable *assemblies = (GHashTable*)user_data;
6244 MonoImage *image = mono_assembly_get_image (ass);
6245 MonoMethod *method, *invoke;
6248 if (g_hash_table_lookup (assemblies, ass))
6251 g_hash_table_insert (assemblies, ass, ass);
6253 if (mini_verbose > 0)
6254 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6256 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6257 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6258 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6262 if (mini_verbose > 1) {
6263 char * desc = mono_method_full_name (method, TRUE);
6264 g_print ("Compiling %d %s\n", count, desc);
6267 mono_compile_method (method);
6268 if (strcmp (method->name, "Finalize") == 0) {
6269 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6270 mono_compile_method (invoke);
6272 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6273 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6274 mono_compile_method (invoke);
6278 /* Load and precompile referenced assemblies as well */
6279 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6280 mono_assembly_load_reference (image, i);
6281 if (image->references [i])
6282 mono_precompile_assembly (image->references [i], assemblies);
6286 void mono_precompile_assemblies ()
6288 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6290 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6292 g_hash_table_destroy (assemblies);
6298 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6299 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6303 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6305 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6306 hole->clause = clause;
6307 hole->start_offset = start - cfg->native_code;
6308 hole->basic_block = bb;
6310 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);